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Journal articles on the topic 'Theoretical Condensed matter Physics'

Author: Grafiati
Published: 6 September 2023

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1

HAMER, CHRIS. "PARTICLE PHYSICS IN CONDENSED MATTER." International Journal of Modern Physics A 22, no. 27 (October 30, 2007): 4979–87. http://dx.doi.org/10.1142/s0217751x07038335.

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2

Jennings, B. K., and A. Schwenk. "Modern topics in theoretical nuclear physics." Canadian Journal of Physics 85, no. 3 (March 1, 2007): 219–30. http://dx.doi.org/10.1139/p07-044.

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Over the past five years there have been profound advances in nuclear physics based on effective field theory and the renormalization group. In this review, we summarize these advances and discuss how they impact our understanding of nuclear systems and experiments that seek to unravel their unknowns. We discuss future opportunities and focus on modern topics in low-energy nuclear physics, with special attention on the strong connections to many-body atomic and condensed-matter physics, as well as to astrophysics. This makes it an exciting era for nuclear physics. PACS Nos.: 21.60.–n, 21.30.Fe
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3

Ichinose, Ikuo, and Tetsuo Matsui. "Lattice gauge theory for condensed matter physics: ferromagnetic superconductivity as its example." Modern Physics Letters B 28, no. 22 (August 30, 2014): 1430012. http://dx.doi.org/10.1142/s0217984914300129.

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Recent theoretical studies of various strongly-correlated systems in condensed matter physics reveal that the lattice gauge theory (LGT) developed in high-energy physics is quite a useful tool to understand physics of these systems. Knowledge of LGT is to become a necessary item even for condensed matter physicists. In the first part of this paper, we present a concise review of LGT for the reader who wants to understand its basics for the first time. For illustration, we choose the Abelian Higgs model, a typical and quite useful LGT, which is the lattice version of the Ginzburg–Landau model interacting with a U(1) gauge field (vector potential). In the second part, we present an account of the recent progress in the study of ferromagnetic superconductivity (SC) as an example of application of LGT to topics in condensed matter physics. As the ferromagnetism (FM) and SC are competing orders with each other, large fluctuations are expected to take place and therefore nonperturbative methods are required for theoretical investigation. After we introduce a LGT describing the FMSC, we study its phase diagram and topological excitations (vortices of Cooper pairs) by Monte Carlo simulations.
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Lai, Ru-Yu, Ravi Shankar, Daniel Spirn, and Gunther Uhlmann. "An inverse problem from condensed matter physics." Inverse Problems 33, no. 11 (October 26, 2017): 115011. http://dx.doi.org/10.1088/1361-6420/aa8e81.

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5

Poo, Mu-ming, and Ling Wang. "Lu Yu: the past and future of condensed matter physics." National Science Review 2, no. 3 (August 24, 2015): 371–76. http://dx.doi.org/10.1093/nsr/nwv050.

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Abstract Lu Yu, a distinguished theoretical physicist at the Institute of Physics (IOP) of Chinese Academy of Sciences (CAS), has witnessed the development of Chinese physics over the past five decades, from the difficult period of 1960s when physicists worked in a ‘half-fed’ state to the present flowering springtime of Chinese physics in which many breakthroughs at the frontier of physics are attracting international recognition. He considers these achievements to be not merely ‘intermittent bubbles’, but the cumulative result of sustained governmental support of basic research over the past decades. In his area of condensed-matter physics, Yu sees ‘a big deep-rooted tree with many branches—some old branches have withered away, but new shoots continue to appear’. In a recent interview with NSR, Yu reflected upon the recent history of condensed-matter physics in China—what has been accomplished and what lies ahead—and his view on the development of physics in general.
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Di Castro, Carlo, and Luisa Bonolis. "The beginnings of theoretical condensed matter physics in Rome: a personal remembrance." European Physical Journal H 39, no. 1 (February 2014): 3–36. http://dx.doi.org/10.1140/epjh/e2013-40043-5.

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7

Lulek, Tadeusz, Andrzej Wal, and Barbara Lulek. "10th Summer School on Theoretical Physics ‘Symmetry and Structural Properties of Condensed Matter’." Journal of Physics: Conference Series 213 (March 1, 2010): 011001. http://dx.doi.org/10.1088/1742-6596/213/1/011001.

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8

SCHOMMERS, W., and C. POLITIS. "COLD FUSION IN CONDENSED MATTER: IS A THEORETICAL DESCRIPTION IN TERMS OF USUAL SOLID STATE PHYSICS POSSIBLE?" Modern Physics Letters B 03, no. 08 (May 20, 1989): 597–604. http://dx.doi.org/10.1142/s0217984989000947.

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The interaction potential between two deuterons (d+) in solid palladium has been estimated using a theoretical picture which is well known in the physics of liquids. On the basis of this potential, the essential experimental results of Fleischmann and Pons (J. Electroanal. Chem.261 (1989) 301) and Jones et al. (preprint) can be explained qualitatively. Thus, in our opinion, the description of cold fusion in condensed matter by means of usual solid state physics should not be excluded.
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9

Parmigiani, F., and P. G. Sona. "Theoretical considerations on the cold nuclear fusion in condensed matter." Il Nuovo Cimento D 11, no. 6 (June 1989): 913–19. http://dx.doi.org/10.1007/bf02455298.

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10

Khan, Muhammad Rizwan, Kun Bu, and Jian-Tao Wang. "Six- or four-fold band degeneration in CoAs3, RhAs3 and RhSb3 topological semimetals." Physical Chemistry Chemical Physics 23, no. 45 (2021): 25944–50. http://dx.doi.org/10.1039/d1cp02310a.

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11

SCHOMMERS, W., and C. POLITIS. "COLD FUSION IN CONDENSED MATTER: IS A THEORETICAL DESCRIPTION IN TERMS OF USUAL SOLID STATE PHYSICS POSSIBLE?" Modern Physics Letters A 04, no. 12 (June 20, 1989): 1187. http://dx.doi.org/10.1142/s0217732389001362.

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A model for cold fusion in condensed matter is proposed (cold fusion of deuterons in palladium). It is assumed that the palladium-deuterium system forms an alloy, i.e., it is assumed that Pd ions as well as d+ ions are embedded in an uniform background of negative charge (conduction electrons). The model is based on an interaction potential for deuterons in solid palladium which has been estimated by means of a theoretical picture well known in the physics of liquids. On the basis of this potential the essential experimental results of Fleischmann and Pons, and Jones et al. can be explained qualitatively. In particular, the following effects are possible: 1. Cold fusion in condensed matter can take place. 2. The observed energy should be larger than that given by the fusion reactions. 3. Hitherto unknown nuclear processes must not be postulated as reported by Fleischmann and Pons. 4. The deuterons are mobile. 5. The deuterons can form close-packed clusters, and in principle a fusion reaction can take place within such a cluster. 6. Not only 3He should be produced in Pd but possibly 4He too. From our theoretical picture, it can be concluded that experimental results will be strongly dependent on the condition of the materials used in the experiments. This can possibly explain that only a part of experiments could show up cold fusion. A well defined condition (lattice defects, different phases, impurities, etc.) of the materials is probably the most critical point in connection with the observation of cold fusion in condensed matter. The effect should also be influenced by lattice dilatations. Experiments with other materials instead of palladium (e.g. vanadium, titanium, lanthanide metals, and different alloys) should be probably more informative.
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12

Li, Peizhao, Haibao Lu, and Yong-Qing Fu. "Phase transition of supercooled water confined in cooperative two-state domain." Journal of Physics: Condensed Matter 34, no. 16 (February 23, 2022): 165403. http://dx.doi.org/10.1088/1361-648x/ac519b.

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Abstract The question of ‘what is the structure of water?’ has been regarded as one of the major scientific conundrums in condensed-matter physics due to the complex phase behavior and condensed structure of supercooled water. Great effort has been made so far using both theoretical analysis based on various mathematical models and computer simulations such as molecular dynamics and first-principle. However, these theoretical and simulation studies often do not have strong evidences of condensed-matter physics to support. In this study, a cooperative domain model is formulated to describe the dynamic phase transition of supercooled water between supercooled water and amorphous ice, both of which are composed of low- and high-density liquid water. Free volume theory is initially employed to identify the working principle of dynamic phase transition and its connection to glass transition in the supercooled water. Then a cooperative two-state model is developed to characterize the dynamic anomalies of supercooled water, including density, viscosity and self-diffusion coefficient. Finally, the proposed model is verified using the experimental results reported in literature.
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13

Weber, Adrian C. J., Cornelis A. de Lange, W. Leo Meerts, and E. Elliott Burnell. "The butane condensed matter conformational problem." Chemical Physics Letters 496, no. 4-6 (August 2010): 257–62. http://dx.doi.org/10.1016/j.cplett.2010.07.014.

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14

Neilson, David, and Mukunda P Das. "Foreword." Australian Journal of Physics 46, no. 3 (1993): 327. http://dx.doi.org/10.1071/ph930327.

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This volume contains lectures given at the second of the series of international Gordon Godfrey workshops. These workshops have been held annually since 1991 at the University of New South Wales, each covering a novel research area in condensed matter physics that is of topical interest. They are jointly organised by the School of Physics at the University of New South Wales and the Department of Theoretical Physics at the Australian National University. The late Gordon Godfrey was an Associate Professor of Physics at the University of New South Wales. He bequeathed his estate for the promotion and teaching of theoretical physics within the university.
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15

Tsallis, Constantino. "Some thoughts on theoretical physics." Physica A: Statistical Mechanics and its Applications 344, no. 3-4 (December 2004): 718–36. http://dx.doi.org/10.1016/j.physa.2004.06.054.

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16

Shlesinger, M. F. "Fractal Time in Condensed Matter." Annual Review of Physical Chemistry 39, no. 1 (October 1988): 269–90. http://dx.doi.org/10.1146/annurev.pc.39.100188.001413.

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17

Kleman, Maurice. "The interplay between grain boundaries and disclinations in condensed matter physics." International Journal of Materials Research 100, no. 10 (October 2009): 1449–55. http://dx.doi.org/10.3139/146.110196.

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18

Kaufmann, E. N. "High Temperature Superconductors, Physics Funding, Materials Physics Highlighted at American Physical Society Meeting." MRS Bulletin 13, no. 5 (May 1988): 41–42. http://dx.doi.org/10.1557/s0883769400065696.

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The March meeting of the American Physical Society was held in New Orleans, March 21-25, 1988. The primary forum for APS's Division of Condensed Matter Physics, the meeting occupied the entire five days with sessions begining at 8:00 a.m., 11:00 a.m., and 2:30 p.m. Special sessions ran during dinner hours and some technical topics required evening sessions as well. According to the meeting program (an 8.5 × 11 inch book not quite 1.5 inches thick), 340 invited and 3,420 contributed abstracts were scheduled into 392 sessions. A gargantuan event to say the least. Meeting rooms were full to over-flowing for many sessions with the hottest, most pervasive topic of the week being high temperature superconductors.Formed just three years ago, the Materials Physics Topical Group (MPTG) of the American Physical Society is thriving. At the meeting, the MPTG fielded 15 topically focused symposia comprising about 50 sessions ranging from quasicrystals to high temperature superconductors. Both invited and contributed sessions were included (the latter often featuring an invited lead-off talk). The sessions were developed through the efforts of symposium organizers in a manner not dissimilar to the way MRS symposia are run. Although there is overlap between MPTG programs and some areas treated by the APS's Condensed Matter Physics Division (CMP), this style of symposium organization is unique to MPTG.
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19

Heller, Eric J. "The momentum of models." Journal of Chemical Physics 155, no. 17 (November 7, 2021): 170902. http://dx.doi.org/10.1063/5.0023891.

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There are opportunities for the application of chemical physics style thinking to models central to solid state physics. Solid state physics has largely been left to its own devices by the chemical physics theory community, which is a shame. I will show here that cross fertilization of ideas is real and beneficial to science. This essay is written with the hope of encouraging young theorists with a chemical physics background to enter this rich and promising area. There are many low hanging fruit available essentially because condensed matter physics traditions, models, and standards for progress are so much different than in chemical physics. By way of a warning label, right now neither community is supporting this endeavor. I am hoping this article will help, a little. I make the apology for using mainly (but not exclusively) my own narrow experience and contributions to illustrate this essay. I understand it is only a small piece of the pie, but I do believe the message here is larger: a chemical physics mindset is complementary to the condensed matter physics mindset, and they would work best together.
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20

Tatsumi, Toshitaka, and Hiroaki Abuki. "Transport Properties in Magnetized Compact Stars." Particles 4, no. 1 (February 21, 2021): 63–74. http://dx.doi.org/10.3390/particles4010009.

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Transport properties of dense quark matter are discussed in the strong magnetic field, B. B dependence as well as density dependence of the Hall conductivity is discussed, based on the microscopic Kubo formula. We took into account the possibility of the inhomogeneous chiral phase at moderate densities, where anomalous Hall effect is intrinsic and resembles the one in Weyl semimetals in condensed matter physics. Some theoretical aspects inherent in anomalous Hall effect are also discussed.
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21

Bargheer, Matias. "Ultrafast dynamics in condensed matter." Acta Crystallographica Section A Foundations and Advances 71, a1 (August 23, 2015): s11. http://dx.doi.org/10.1107/s2053273315099817.

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22

Banerjee, Hrishit. "Understanding the role of exchange and correlations in complex oxides under strain and oxide heterostructures." Modern Physics Letters B 34, no. 23 (July 30, 2020): 2030006. http://dx.doi.org/10.1142/s0217984920300069.

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The study of complex oxides and oxide heterostructures has dominated the field of experimental and theoretical condensed matter research for the better part of the last few decades. Powerful experimental techniques such as molecular beam epitaxy and pulsed laser deposition have made fabrication of oxide heterostructures with atomically sharp interfaces possible, whereas more and more sophisticated handling of exchange and correlations within first principles methods including density functional theory (DFT) supplemented with Hubbard U corrections and hybrid functionals, and beyond DFT techniques such as dynamical mean field theory (DMFT) have made understanding of such correlated oxides and oxide interfaces easier. The emergence of the high-mobility two-dimensional electron gas with fascinating properties such as giant photoconductance, large negative magnetoresistance, superconductivity, ferromagnetism, and the mysterious coexistence of the latter two have indeed caught the attention of condensed matter community at large. Similarly, strain tuning of oxides have generated considerable interest particularly after the recent discovery of piezoelectric methods of strain generation. Theoretical understanding and prediction of the possible exotic phases emerging in such complex oxides both under strain and in heterostructures will eventually lead to better design of device applications in this new emerging field of oxide electronics, along with possible discovery of exotic physics in condensed matter systems, which may be of wider significance! In this review, we briefly look at theoretical studies of novel phenomena in oxides under strain and oxide heterostructure, and try to understand the role of exchange and particularly correlation in giving rise to such exotic electronic states. This review though primarily focuses on the theoretical aspects on understanding the different mechanism of the phenomena of emergence of exotic phases, does provide a unique overview of the experimental literature as well, accompanied by the theoretical understanding such that relevant device applications can be envisaged.
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23

Moreno-Mosquera, Asdrubal, and Yolima Alvarez-Polo. "Perspectives in nanoscience and nanotechnology." Visión electrónica 15, no. 2 (December 29, 2021): 284–96. http://dx.doi.org/10.14483/22484728.18578.

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This work is focused on reviewing the theoretical vision of the physicist Richard Feynman about nanoscience and nanotechnology, giving continuity to his ideas in the proper context of physics laws that has led nanoscience and nanotechnology to become robust and active sciences. Some implications of nanotechnology as a general-purpose foundational technology for all economic areas are discussed. Some aspects related to interactions between the fields of mathematics, high-energy physics and condensed matter physics that have allowed the remarkable development of new quantum material platforms for nanoelectronics are also analyzed.
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24

Fritsche, L. "Theory of condensed matter and new materials." International Journal of Quantum Chemistry 32, S21 (March 12, 1987): 15–29. http://dx.doi.org/10.1002/qua.560320705.

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25

Itoh, K. "Theoretical progress on H-mode physics." Plasma Physics and Controlled Fusion 36, no. 7A (July 1, 1994): A307—A318. http://dx.doi.org/10.1088/0741-3335/36/7a/044.

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26

Larose, Eric, Ludovic Margerin, Arnaud Derode, Bart van Tiggelen, Michel Campillo, Nikolai Shapiro, Anne Paul, Laurent Stehly, and Mickael Tanter. "Correlation of random wavefields: An interdisciplinary review." GEOPHYSICS 71, no. 4 (July 2006): SI11—SI21. http://dx.doi.org/10.1190/1.2213356.

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This paper presents an interdisciplinary review of the correlation properties of random wavefields. We expose several important theoretical results of various fields, ranging from time reversal in acoustics to transport theory in condensed matter physics. Using numerical simulations, we introduce the correlation process in an intuitive manner. We establish a fruitful mapping between time reversal and correlation, which enables us to transpose many known results from acoustics to seismology. We show that the multiple-scattering formalism developed in condensed matter physics provides a rigorous basis to analyze the field correlations in disordered media. We discuss extensively the various factors controlling and affecting the retrieval of the Green’s function of a complex medium from the correlation of either noise or coda. Acoustic imaging of complex samples in the laboratory and seismic tomography of geologic structures give a glimpse of the promising wide range of applications of the correlation method.
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27

SUZUKI, AKITO. "SCALING LIMIT FOR A GENERAL CLASS OF QUANTUM FIELD MODELS AND ITS APPLICATIONS TO NUCLEAR PHYSICS AND CONDENSED MATTER PHYSICS." Infinite Dimensional Analysis, Quantum Probability and Related Topics 10, no. 01 (March 2007): 43–65. http://dx.doi.org/10.1142/s0219025707002610.

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We consider a scaling limit of the Hamiltonian of the generalized spin-boson (GSB) model which is an abstract quantum field theoretical model of particles interacting with a Bose field. Applying it to a Hamiltonian of the field of the nuclear force with isospin, we obtain an effective potential of the interaction between nucleons. Also, we discuss an application to a Hamiltonian of a lattice spin system interacting with a Bose field and obtain a spin–spin interaction in the vacuum of the Bose field. An interaction model between a Fermi field and a Bose field yields an interaction in the vacuum of the Bose field.
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28

Anisimov, Sergei, and Jürgen Meyer-ter-Vehn. "Hydrodynamics and kinetics of condensed matter evaporation." High Temperatures-High Pressures 32, no. 5 (2000): 511–20. http://dx.doi.org/10.1068/htwi10.

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29

Wolf, Bernd, Andreas Honecker, Walter Hofstetter, Ulrich Tutsch, and Michael Lang. "Cooling through quantum criticality and many-body effects in condensed matter and cold gases." International Journal of Modern Physics B 28, no. 26 (October 20, 2014): 1430017. http://dx.doi.org/10.1142/s0217979214300175.

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This article reviews some recent developments for new cooling technologies in the fields of condensed matter physics and cold gases, both from an experimental and theoretical point of view. The main idea is to make use of distinct many-body interactions of the system to be cooled which can be some cooling stage or the material of interest itself, as is the case in ultracold gases. For condensed matter systems, we discuss magnetic cooling schemes based on a large magnetocaloric effect as a result of a nearby quantum phase transition and consider effects of geometrical frustration. For ultracold gases, we review many-body cooling techniques, such as spin-gradient and Pomeranchuk cooling, which can be applied in the presence of an optical lattice. We compare the cooling performance of these new techniques with that of conventional approaches and discuss state-of-the-art applications.
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30

Anisimov, S. I., and V. A. Kravchenko. "Shock Wave in Condensed Matter Generated by Impulsive Load." Zeitschrift für Naturforschung A 40, no. 1 (January 1, 1985): 8–13. http://dx.doi.org/10.1515/zna-1985-0104.

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A shock wave in condensed matter generated by impulsive load ("shock loading") is considered. A self-similar solution of the problem is presented. The media are described by the equation-of-state of the Mie-Grüneisen type. Values of the self-similarity exponent and the profiles of gas-dynamical variables have been calculated. The problem of generation of shock waves by ultra-short laser pulses is discussed.
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31

Pronin, Artem V. "Advances in Topological Materials." Crystals 11, no. 6 (June 14, 2021): 680. http://dx.doi.org/10.3390/cryst11060680.

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Materials with electronic bands that possess nontrivial topology have remained a focal point of condensed matter physics since 2005, when topological insulators were theoretically discovered by Kane and Mele [...]
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32

SENTHIL, T. "QUANTUM MATTERS: PHYSICS BEYOND LANDAU'S PARADIGMS." International Journal of Modern Physics B 20, no. 19 (July 30, 2006): 2603–11. http://dx.doi.org/10.1142/s0217979206035084.

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Central to our understanding of quantum many particle physics are two ideas due to Landau. The first is the notion of the electron as a well-defined quasiparticle excitation in the many body state. The second is that of the order parameter to distinguish different states of matter. Experiments in a number of correlated materials raise serious suspicions about the general validity of either notion. A growing body of theoretical work has confirmed these suspicions, and explored physics beyond Landau's paradigms. This article provides an overview of some of these theoretical developments.
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33

P Das, Mukunda, and David Neilson. "Introduction—Atomic and Electron Fluids." Australian Journal of Physics 49, no. 1 (1996): 1. http://dx.doi.org/10.1071/ph960001.

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This volume contains the lectures given at the fourth international Gordon Godfrey workshop held at the University of New South Wales in Sydney from 26 to 28 September 1994. This time our lecturers came from Germany, Italy, Japan, the United States and Vietnam, as well as of course from Australia. There was a total of seventeen lectures. The workshops are jointly organised by the School of Physics at the University of New South Wales and the Department of Theoretical Physics, Research School of Physical Sciences at the Australian National University and are held annually at the University of New South Wales in Sydney. Each workshop concentrates on a different and novel research area of current interest in condensed matter physics. The late Gordon Godfrey was an Associate Professor of Physics at the University of New South Wales who bequeathed his estate for the promotion and the teaching of theoretical physics within the university.
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34

Leggett, Anthony J. "David James Thouless. 21 September 1934—6 April 2019." Biographical Memoirs of Fellows of the Royal Society 72 (March 2, 2022): 337–58. http://dx.doi.org/10.1098/rsbm.2021.0049.

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David Thouless was one of the leading theoretical condensed matter physicists of his generation. He pointed out (with Kosterlitz) that two-dimensional or quasi-two-dimensional physical systems undergo a completely novel type of phase transition; he developed a highly original approach to the theory of localization of electrons in disordered solids; and with his co-authors pioneered the use of topological considerations in the analysis of many-body systems, a technique that gives a very intuitive understanding of the quantum Hall effect and is at the basis of the modern field of topological insulators and superconductors. In 2016 he was awarded the Nobel Prize in physics for ‘theoretical discoveries of topological phase transitions and topological phases of matter’.
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35

Leonov, V. V., and O. A. Denisova. "Electrodynamic approach for description of mass transfer phenomena." Journal of Physics: Conference Series 2131, no. 5 (December 1, 2021): 052007. http://dx.doi.org/10.1088/1742-6596/2131/5/052007.

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Abstract Based on the equations of macroscopic electrodynamics, the article considers the most important consequences from the point of view of practical application for condensed matter. It has been theoretically shown that a virtual molecular filter with a fairly high degree of selectivity can be used for them. The theoretical substantiation of mass transfer processes in condensed systems is presented for cases of external influence on them when solving problems of technological change of macroscopic properties of a molecular system. Monitoring problems are indicated when moving the minimum amount of substance in the case of mass transfer for processes: diffusion, adsorption, capillary filtration. The functioning of the filter is based on the theory of macroscopic electrodynamics, namely, on how the space charge density is distributed in the sample under study. The results obtained make it possible to evaluate the physicochemical changes that occur in a condensed medium under external technological influence. The presented theoretical research results can serve as the basis for improving the methods of electrometric monitoring of gaseous and liquid media of unknown qualitative and quantitative composition.
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36

Turlier, Hervé, and Timo Betz. "Unveiling the Active Nature of Living-Membrane Fluctuations and Mechanics." Annual Review of Condensed Matter Physics 10, no. 1 (March 10, 2019): 213–32. http://dx.doi.org/10.1146/annurev-conmatphys-031218-013757.

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Soft-condensed matter physics has provided, in the past decades, many of the relevant concepts and methods allowing successful description of living cells and biological tissues. This recent quantitative physical description of biological systems has profoundly advanced our understanding of life, which is shifting from a descriptive to a predictive level. Like other active materials investigated in condensed matter physics, biological materials still pose great challenges to modern physics as they form a specific class of nonequilibrium systems. Actively driven membranes have been studied for more than two decades, taking advantage of rapid progress in membrane physics and in the experimental development of reconstituted active membranes. The physical description of activity within living biological membranes remains, however, a key challenge that animates a dynamic research community, bringing together physicists and biologists. Here, we first review the past two decades of experimental and theoretical advances that enabled the characterization of mechanical properties and nonequilibrium fluctuations in active membranes. We distinguish active processes originating from membrane proteins or from external interactions, such as cytoskeletal forces. Then, we focus on the emblematic case of red blood cell flickering, the active origin of which has been debated for decades until recently. We finally close this review by discussing future challenges in this ever more interdisciplinary field.
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37

SAHNI, V. C. "COMMENT ON "COLD FUSION IN CONDENSED MATTER: IS A THEORETICAL DESCRIPTION IN TERMS OF USUAL SOLID STATE PHYSICS POSSIBLE?"." Modern Physics Letters B 04, no. 07 (April 10, 1990): 497–98. http://dx.doi.org/10.1142/s0217984990000635.

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38

Ebomwonyi, Osarodion, and John O. A. Idiodi. "Theoretical Investigation Of The Insulator-Metal Transition Point Of Nickel Monoxide." European Scientific Journal, ESJ 12, no. 15 (May 30, 2016): 240. http://dx.doi.org/10.19044/esj.2016.v12n15p240.

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The study of the effects of applying high pressure by compression on materials is fundamental to a range of problems in condensed matter physics, materials science, technology, etc. Transition of an insulator into a metallic state is in general a basic phenomenon related to a wide range of physical systems. Nickel monoxide has been studied at different volume compression ratios by employing optical spectra and electronic structure calculations using the density functional theory implemented in the MindLab 5 code that made use of the local density approximation plus the Hubbard on-site Coulomb interaction parameter. Insulator-metal transition point was recorded at 0.60 volume compression ratio from both calculations and a transition pressure of 271 GPa was obtained using the Murnaghan equation of state.
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39

SCHÖNE, WOLF-DIETER. "ONE- AND TWO-PARTICLE PHENOMENA IN THE ELECTRONIC LIFETIMES IN METALS: QUASIPARTICLES AND TRANSIENT EXCITONS." International Journal of Modern Physics B 17, no. 30 (December 10, 2003): 5655–82. http://dx.doi.org/10.1142/s0217979203023367.

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The experimental and theoretical investigation of the lifetime of excited electrons is of great importance for a variety of different fields in condensed matter physics. In this review two distinct classes of processes are discussed, which determine the lifetime of excited electrons in crystalline systems. One class is single-particle processes, which in many cases is able to describe the decay of excited electrons. For systems with weakly correlated electrons the state-of-the-art method is the solution of the Dyson equation using the GW approximation for the electronic self-energy. If applicable this approach leads to very good results. However, many of the experimental studies about the lifetime of excited electrons have been done using time-resolved two-photon photoemission spectroscopy utilizing ultrashort laser pulses. This technique, applied to materials with localized d electrons, can lead to the creation of bound, excitonic-like states in metals on a very short time scale, which are beyond the physics described in the single-particle approach. In this review the experimental evidence for both mechanisms is given and the theoretical tools to describe them are discussed. Furthermore, theoretical results are presented and compared to experimentally available data.
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Nozari, Kourosh, Z. Haghani, and J. Vahedi. "Thomas-Fermi Model in the Presence of Natural Cutoffs." Advances in High Energy Physics 2014 (2014): 1–11. http://dx.doi.org/10.1155/2014/418342.

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It has been revealed, in the context of quantum gravity candidates, that measurement of position cannot be done with arbitrary precision and there is a finite resolution of space-time points. This leads naturally to a minimal measurable length of the order of Planck length. Also, in the context of newly proposed doubly special relativity theories, a test particle’s momentum cannot be arbitrarily imprecise leading nontrivially to a maximal momentum for a test particle. These two natural cutoffs affects most of quantum field theoretic arguments in the spirit of condensed matter physics. Here we focus on the role of these natural cutoffs on Thomas-Fermi theory in condensed matter physics. We show how quantum gravity effects can play important role phenomenologically in many-body interactions of solids.
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41

Dyre, Jeppe C. "Hidden Scale Invariance in Condensed Matter." Journal of Physical Chemistry B 118, no. 34 (July 25, 2014): 10007–24. http://dx.doi.org/10.1021/jp501852b.

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42

Bandyopadhyay, Ranjini, and Jürgen Horbach. "Soft matter research in India." Journal of Physics: Condensed Matter 34, no. 9 (December 9, 2021): 090402. http://dx.doi.org/10.1088/1361-648x/ac3d53.

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Abstract Research on soft matter and biological physics has grown tremendously in India over the past decades. In this editorial, we summarize the twenty-three research papers that were contributed to the special issue on Soft matter research in India. The papers in this issue highlight recent exciting advances in this rapidly expanding research area and include theoretical studies and numerical simulations of soft and biological systems, the synthesis and characterization of novel, functional soft materials and experimental investigations of their complex flow behaviours.
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43

Kavokine, Nikita, Roland R. Netz, and Lydéric Bocquet. "Fluids at the Nanoscale: From Continuum to Subcontinuum Transport." Annual Review of Fluid Mechanics 53, no. 1 (January 5, 2021): 377–410. http://dx.doi.org/10.1146/annurev-fluid-071320-095958.

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Nanofluidics has firmly established itself as a new field in fluid mechanics, as novel properties have been shown to emerge in fluids at the nanometric scale. Thanks to recent developments in fabrication technology, artificial nanofluidic systems are now being designed at the scale of biological nanopores. This ultimate step in scale reduction has pushed the development of new experimental techniques and new theoretical tools, bridging fluid mechanics, statistical mechanics, and condensed matter physics. This review is intended as a toolbox for fluids at the nanometer scale. After presenting the basic equations that govern fluid behavior in the continuum limit, we show how these equations break down and new properties emerge in molecular-scale confinement. A large number of analytical estimates and physical arguments are given to organize the results and different limits.
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Mardonov, Shukhrat N., Bobir A. Toshmatov, Bobomurat J. Ahmedov, and Shukurillo T. Inoyatov. "Polaron Dynamics in a Quasi-Two-Dimensional Bose–Einstein Condensate." Universe 9, no. 2 (February 8, 2023): 89. http://dx.doi.org/10.3390/universe9020089.

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The concept of polaron quasiparticles was first introduced in the pioneering papers by Landau and Feynman in the 1930s and 1940s. It describes the phenomenon of an external particle producing a bound state in an embedded medium. Since then, the study of polaron quasiparticles has been an active area of research in condensed matter physics, with a wide range of applications in magnetic phenomena and lattice deformation properties. In this paper, we provide a comprehensive review of the polaron quasiparticle phenomenon, including its historical origins, theoretical developments, and current research. We also study the various applications of polaron quasiparticles in condensed matter physics, including in magnetic phenomena and lattice deformation properties. The review concludes with an outlook on future directions of research in this field. In particular, we study the motion of external embedded particles in a quasi-two-dimensional Bose–Einstein condensate confined by the quantum harmonic oscillator. We found that the dynamics of attracting particles with static Bose–Einstein condensate exhibit circular and precessional elliptic trajectories due to centripetal force. Polaron-forming embedded particles in the condensate lead to a strongly nonlinear trajectory of the polaron and dynamics of condensate depending on the initial parameters of the condensate and polaron.
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Müller, Berndt. "Investigation of hot QCD matter: theoretical aspects." Physica Scripta T158 (December 1, 2013): 014004. http://dx.doi.org/10.1088/0031-8949/2013/t158/014004.

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Nakano, Masayoshi, and Kizashi Yamaguchi. "Theoretical Studies for Third-Order Hyperpolarizabilities of Alternant and Condensed-Ring Conjugated Systems I." Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 255, no. 1 (October 1994): 139–48. http://dx.doi.org/10.1080/10587259408029785.

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Kim, Chaebin, Heung-Sik Kim, and Je-Geun Park. "Spin-orbital entangled state and realization of Kitaev physics in 3d cobalt compounds: a progress report." Journal of Physics: Condensed Matter 34, no. 2 (October 29, 2021): 023001. http://dx.doi.org/10.1088/1361-648x/ac2d5d.

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Abstract The realization of Kitaev’s honeycomb magnetic model in real materials has become one of the most pursued topics in condensed matter physics and materials science. If found, it is expected to host exotic quantum phases of matter and offers potential realizations of fault-tolerant quantum computations. Over the past years, much effort has been made on 4d- or 5d-heavy transition metal compounds because of their intrinsic strong spin–orbit coupling. But more recently, there have been growing shreds of evidence that the Kitaev model could also be realized in 3d-transition metal systems with much weaker spin–orbit coupling. This review intends to serve as a guide to this fast-developing field focusing on systems with d 7 transition metal occupation. It overviews the current theoretical and experimental progress on realizing the Kitaev model in those systems. We examine the recent experimental observations of candidate materials with Co2+ ions: e.g., CoPS3, Na3Co2SbO6, and Na2Co2TeO6, followed by a brief review of theoretical backgrounds. We conclude this article by comparing experimental observations with density functional theory calculations. We stress the importance of inter-t 2g hopping channels and Hund’s coupling in the realization of Kitaev interactions in Co-based compounds, which has been overlooked in previous studies. This review suggests future directions in the search for Kitaev physics in 3d cobalt compounds and beyond.
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SEBASTIANI, DANIEL. "AB-INITIO CALCULATIONS OF NMR PARAMETERS IN CONDENSED PHASES." Modern Physics Letters B 17, no. 25 (October 30, 2003): 1301–19. http://dx.doi.org/10.1142/s0217984903006372.

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We review the development of electronic structure methods for the calculation of nuclear magnetic resonance (NMR) properties in condensed matter over the last years. The key element is the extension of well-established approaches for the calculation of magnetic linear response to extended systems which are described under periodic boundary conditions. So far, two implementations have emerged which enable the calculation of NMR parameters within density functional theory in a pseudopotential plane wave scheme. We present the theoretical basis of the methods, further recent developments and a variety of selected applications. These applications are accompanied by comparisons with solid-state NMR experiments, exhibiting the strong impact of the symbiotic combination of high-level ab-initio calculations with experimental research.
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Jacobsen, F. M. "Processes following thermalization of positive particles in condensed matter." Hyperfine Interactions 32, no. 1-4 (December 1986): 501–10. http://dx.doi.org/10.1007/bf02394948.

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Menzel, Julia Harriet. "Wilsonian Renormalization in the 1970s." Historical Studies in the Natural Sciences 51, no. 5 (November 1, 2021): 605–33. http://dx.doi.org/10.1525/hsns.2021.51.5.605.

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This paper examines the history of the renormalization group, a cornerstone of contemporary theoretical physics, focusing on the work of Kenneth Wilson (winner of the 1982 Nobel Prize in physics) and affiliated scholars in the 1970s. In particular, it reconstructs how studies of the renormalization group led to formative interactions between two distinct branches of physics, namely particle physics and condensed matter theory. Instead of explaining such intellectual coordination as the result of material and conceptual exchanges, as in Peter Galison’s widely influential discussion of the “trading zone,” my analysis emphasizes the pedagogical labor, social institutions, and political economic conditions that gave the renormalization group its mediating power. To that end, I show how early lectures and fast circulating pre-prints on the renormalization group created a population of physicists in the United States conversant in the rudiments of both condensed matter and particle theory. I then root the formation of a transatlantic network of renormalization group enthusiasts in the geopolitics of the Cold War, showing that the spread of Wilsonian ideas was made possible by a liberal internationalist program of academic exchanges and summer schools sponsored by the US state department and NATO. Finally, I argue that sharp cuts to basic science funding in the United States pushed young physicists seeking jobs in the 1970s to work across specializations, which visibly impacted how renormalization group ideas were interpreted and used—often against the objections of their original progenitors.
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