Academic literature on the topic 'Many-Body quantum physics'
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Journal articles on the topic "Many-Body quantum physics"
Ullmo, Denis. "Many-body physics and quantum chaos." Reports on Progress in Physics 71, no. 2 (January 28, 2008): 026001. http://dx.doi.org/10.1088/0034-4885/71/2/026001.
Full textModi, Kavan. "Quantum many-body physics in a nutshell." Contemporary Physics 60, no. 2 (April 3, 2019): 197. http://dx.doi.org/10.1080/00107514.2019.1621944.
Full textYao, Yunyan, and Liang Xiang. "Superconducting Quantum Simulation for Many-Body Physics beyond Equilibrium." Entropy 26, no. 7 (July 11, 2024): 592. http://dx.doi.org/10.3390/e26070592.
Full textLuchnikov, Ilia A., Alexander Ryzhov, Pieter-Jan Stas, Sergey N. Filippov, and Henni Ouerdane. "Variational Autoencoder Reconstruction of Complex Many-Body Physics." Entropy 21, no. 11 (November 7, 2019): 1091. http://dx.doi.org/10.3390/e21111091.
Full textVicentini, Filippo. "Machine learning toolbox for quantum many body physics." Nature Reviews Physics 3, no. 3 (January 29, 2021): 156. http://dx.doi.org/10.1038/s42254-021-00285-7.
Full textLiu, Hong, and Julian Sonner. "Quantum many-body physics from a gravitational lens." Nature Reviews Physics 2, no. 11 (September 25, 2020): 615–33. http://dx.doi.org/10.1038/s42254-020-0225-1.
Full textNoh, Changsuk, and Dimitris G. Angelakis. "Quantum simulations and many-body physics with light." Reports on Progress in Physics 80, no. 1 (November 4, 2016): 016401. http://dx.doi.org/10.1088/0034-4885/80/1/016401.
Full textWu, Dian, Riccardo Rossi, Filippo Vicentini, Nikita Astrakhantsev, Federico Becca, Xiaodong Cao, Juan Carrasquilla, et al. "Variational benchmarks for quantum many-body problems." Science 386, no. 6719 (October 18, 2024): 296–301. http://dx.doi.org/10.1126/science.adg9774.
Full textLindgren, Ingvar, Sten Salomonson, and Daniel Hedendahl. "New approach to many-body quantum-electrodynamics calculations:merging quantum electrodynamics with many-body perturbation." Canadian Journal of Physics 83, no. 4 (April 1, 2005): 395–403. http://dx.doi.org/10.1139/p05-012.
Full textvon der Linden, Wolfgang. "A quantum Monte Carlo approach to many-body physics." Physics Reports 220, no. 2-3 (November 1992): 53–162. http://dx.doi.org/10.1016/0370-1573(92)90029-y.
Full textDissertations / Theses on the topic "Many-Body quantum physics"
Jia, Ningyuan. "Quantum Many-Body Physics with Photons." Thesis, The University of Chicago, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10928150.
Full textUnderstanding and manipulating quantum materials is a long-sought goal in both the condensed matter and cold atom communities. Photons have recently emerged as a good candidate for studying quantum many-body states due to their fast dynamics and convenient manipulation. Tremendous efforts have been made to engineer single particle Hamiltonian with non-trivial topology. Having individual photons to strongly collide with each other and form an entangled many-body state remained as a challenge in optical domain.
In this thesis, I will first demonstrate how to engineer artificial magnetic field and non-trivial topology for microwave photons. In a classical lumped element circuit, we demonstrate the edge modes for microwave photons within the bulk band, and also show that these modes propagates with topological protection against the local lattice disorder. This work paves the way to synthesize correlated quantum materials in a lattice using microwave photons, combined with circuit QED technique.
Recently, Rydberg-Rydberg interaction has been broadly used in cold atom experiment to generate long-range inter-particle coupling for quantum information processing and quantum material simulation. We combine this technique with cavity electromagnetically induced transparency and create a robust quasi-particle, cavity Rydberg polaritons, which harness the power from both cavity photons with exotic topology and Rydberg atoms with strong interactions. We first demonstrate the interaction in the single quanta level in a quantum dot with single cavity mode and further expand it into multi-mode regime with modulated atomic states.
Bausch, Johannes Karl Richard. "Quantum stochastic processes and quantum many-body physics." Thesis, University of Cambridge, 2017. https://www.repository.cam.ac.uk/handle/1810/269857.
Full textBiella, Alberto. "Many-body physics in open quantum systems." Doctoral thesis, Scuola Normale Superiore, 2016. http://hdl.handle.net/11384/85905.
Full textBesserve, Pauline. "Quantum-classical hybrid algorithms for quantum many-body physics." Electronic Thesis or Diss., Institut polytechnique de Paris, 2023. http://www.theses.fr/2023IPPAX086.
Full textThis thesis investigates the possibility to leverage noisy quantum computation within the flagship algorithm for strong correlations, the dynamical mean-field theory (DMFT). It aims to take advantage of the first quantum computing devices, despite their imperfections imputable to a still-limited degree of experimental control.Firstly, an improved version of the variational method for preparing the ground state of the impurity model is proposed. It consists in carrying out updates of the single-particle basis in which the impurity Hamiltonian is described. These updates are interwoven with variational optimizations of the state, and guided by the one-particle density matrix of the current optimized variational state. This algorithm has enabled us to carry out the first noisy hybrid implementation of a DMFT-like scheme with a two-impurity auxiliary system. Also, we show on several examples that this method is capable of increasing the ability of a given variational circuit to represent the target state. Finally, we propose to combine single-particle basis updates with an adaptive variational algorithm, which builds the circuit iteratively. We show that this approach can reduce the number of gates in the circuit for a given precision in the energy of the attained state.Secondly, we propose to take advantage of the dissipation affecting the qubits to alleviate the effect of bath truncation onto the fit of the DMFT hybridization. We confirm that a reduction in the count of bath sites is within the reach of such a method. However, we make the assumption of a dissipative process which is not realistic: the method therefore still needs to be studied via a model closer to experimental conditions
Yoshida, Beni. "Studying many-body physics through quantum coding theory." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/77257.
Full textThis electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (p. 133-140).
The emerging closeness between correlated spin systems and error-correcting codes enables us to use coding theoretical techniques to study physical properties of many-body spin systems. This thesis illustrates the use of classical and quantum coding theory in classifying quantum phases arising in many-body spin systems via a systematic study of stabilizer Hamiltonians with translation symmetries. In the first part, we ask what kinds of quantum phases may arise in gapped spin systems on a D-dimensional lattice. We address this condensed matter theoretical question by giving a complete classification of quantum phases arising in stabilizer Hamiltonians at fixed points of RG transformations for D = 1; 2; 3. We found a certain dimensional duality on geometric shapes of logical operators where m-dimensional and (D m)-dimensional logical operators always form anti-commuting pairs (m is an integer). We demonstrate that quantum phases are completely classified by topological characterizations of logical operators where topological quantum phase transitions are driven by non-analytical changes of geometric shapes of logical operators. As a consequence, we argue that topological order is unstable at any nonzero temperature and self-correcting quantum memory in a strict sense may not exist where the memory time is upper bounded by some constant at a fixed temperature, regardless of the system size. Our result also implies that topological field theory is the universal theory for stabilizer Hamiltonians with continuous scale symmetries. In the second part, we ask the fundamental limit on information storage capacity of discrete spin systems. There is a well-known theoretical limit on the amount of information that can be reliably stored in a given volume of discrete spin systems. Yet, previously known systems were far below this theoretical limit. We propose a construction of classical stabilizer Hamiltonians which asymptotically saturate this limit. Our model borrows an idea from fractal geometries arising in the Sierpinski triangle, and is a rare manifestation of limit cycle behaviors with discrete scale symmetries in real-space RG transformations, which may be beyond descriptions of topological field theory.
by Beni Yoshida.
Ph.D.
Young, Carolyn 1979. "Many-body cotunneling in coupled quantum dots." Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=101692.
Full textIn this work, the single-particle formalism is extended to the study of higher-order two-particle cotunneling processes by considering many-body Green's functions. The effect of attaching leads to the system is described in terms of a two-particle self-energy, whose analytical form is written in terms of a Feynman path integral over all possible tunneling processes between the leads and the device. In addition, an efficient numerical technique for the calculation of the fully dressed Green's function of a device region attached to two-particle leads is presented.
The problem of two-particle transport is then approached, and an analogy to single-particle transport on the infinite plane is drawn. It is shown that, for nonspin flip cotunneling processes, the two-particle transport result can be related to the single-particle conductance by way of a simple convolution. Finally, results for the cotunneling contribution to the conductance of double quantum dots, or charge qubits, are presented.
Scarlatella, Orazio. "Driven-Dissipative Quantum Many-Body Systems." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS281/document.
Full textMy PhD was devoted to the study of driven-dissipative quantum many-body systems. These systems represent natural platforms to explore fundamental questions about matter under non-equilibrium conditions, having at the same time a potential impact on emerging quantum technologies. In this thesis, we discuss a spectral decomposition of single-particle Green functions of Markovian open systems, that we applied to a model of a quantum van der Pol oscillator. We point out that a sign property of spectral functions of equilibrium systems doesn't hold in the case of open systems, resulting in a surprising ``negative density of states", with direct physical consequences. We study the phase transition between a normal and a superfluid phase in a prototype system of driven-dissipative bosons on a lattice. This transition is characterized by a finite-frequency criticality corresponding to the spontaneous break of time-translational invariance, which has no analog in equilibrium systems. Later, we discuss the mean-field phase diagram of a Mott insulating phase stabilized by dissipation, which is potentially relevant for ongoing experiments. Our results suggest that there is a trade off between the fidelity of the stationary phase to a Mott insulator and robustness of such a phase at finite hopping. Finally, we present some developments towards using dynamical mean field theory (DMFT) for studying driven-dissipative lattice systems. We introduce DMFT in the context of driven-dissipative models and developed a method to solve the auxiliary problem of a single impurity, coupled simultaneously to a Markovian and a non-Markovian environment. As a test, we applied this novel method to a simple model of a fermionic, single-mode impurity
Marzolino, Ugo. "Entanglement and decoherence in many-body physics." Doctoral thesis, Università degli studi di Trieste, 2011. http://hdl.handle.net/10077/5827.
Full textThe thesis deals with several features of quantum many-body systems. They are described both in terms of reversible unitary transformations and as an environment interacting with other systems. An introductory part introduces the main ideas of quantum noise and dissipative dynamics. A chapter is also dedicated to some useful aspects of entanglement. The second part of the thesis concerns the orginal results. A chapter describes the dynamics of two qubits interacting with a common environment. This chapter is focused on the derivation of a new Markovian approximation, finer than the standard weak coupling limit, and its application on the dynamical generation of the entanglement. The second topic concerns the developping of some procedures to reconstruct the parameters governing a large class of Markovian and non-Markovian dissipative dynamics of a quantum particle. These procedures are based on the symplectic tomography of the evolved state. The third topic concerns the physics of many identical bosons, with a special focus on Bose-Einstein condensates. The relevance of entanglement and spin squeezing for quantum metrology with high accuracy is discussed in connection with the quantum Fisher information and collective and squeezing inequalities. A third part summerizes the results. Some useful tools are described in the appendices.
XXIII Ciclo
1983
Brell, Courtney Gordon Gray. "Many-body models for topological quantum information." Thesis, The University of Sydney, 2014. http://hdl.handle.net/2123/13539.
Full textNandkishore, Rahul (Rahul Mahajan ). "Quantum many body physics in single and bilayer graphene." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/79522.
Full textCataloged from PDF version of thesis.
Includes bibliographical references.
Two dimensional electron systems (2DES) provide a uniquely promising avenue for investigation of many body physics. Graphene constitutes a new and unusual 2DES, which may give rise to unexpected collective phenomena. However, the vanishing density of states in charge neutral single layer graphene suppresses many body effects, and one has to alter the system to observe strongly ordered states. We consider three ways of accessing quantum many body physics using graphene. First, we consider doping single layer graphene to a Van Hove singularity in the density of states. We show that there are strong instabilities to several strongly ordered states, with the leading instability being to a d-wave superconducting state. The superconducting state realizes chiral superconductivity, an exotic form of superconductivity wherein the phase of the order parameter winds by 4[pi] as we go around the Fermi surface. We also discuss the nature of the spin density wave state which is the principal competitor to superconductivity in doped graphene. Next, we study bilayer graphene (BLG), which has a non-vanishing density of states even at charge neutrality. We show that Coulomb interactions give rise to a zero bias anomaly in the tunneling density of states for BLG, which manifests itself at high energy scales. We also show that the quadratic band crossing in BLG is unstable to arbitrarily weak interactions, and estimate the energy scale for formation of strongly ordered states. We show that gapped states in BLG have topological properties, and we classify the various possible gapped and gapless states in terms of symmetries. We study the competition between various ordered states, and discuss how the nature of the ground state may be deduced experimentally. We also discuss recent experimental observations of strongly ordered states in bilayer graphene. Finally, we study bilayer graphene in a transverse magnetic field, focusing on the properties of the quantum Hall ferromagnet (QHF) state. We resolve an apparent discrepancy between the experimentally observed energetics and theory. We close with a discussion of the exotic topological defects that form above the QHF state.
by Rahul Nandkishore.
Ph.D.
Books on the topic "Many-Body quantum physics"
Kuramoto, Yoshio. Quantum Many-Body Physics. Tokyo: Springer Japan, 2020. http://dx.doi.org/10.1007/978-4-431-55393-9.
Full textSalasnich, Luca. Quantum Physics of Light and Matter - Quantum Many-Body Systems. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-63297-7.
Full textEcole d'été de physique théorique (Les Houches, Haute-Savoie, France) (94th 2010). Many-body physics with ultracold gases. Oxford: Oxford University Press, 2013.
Find full textTasaki, Hal. Physics and Mathematics of Quantum Many-Body Systems. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-41265-4.
Full textTrump, M. A. Classical Relativistic Many-Body Dynamics. Dordrecht: Springer Netherlands, 1999.
Find full textTrump, M. A. Classical relativistic many-body dynamics. Dordrecht: Kluwer Academic Publishers, 1999.
Find full textRan, Shi-Ju. Tensor Network Contractions: Methods and Applications to Quantum Many-Body Systems. Cham: Springer Nature, 2020.
Find full textMartin, Philippe A. Many-Body Problems and Quantum Field Theory: An Introduction. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004.
Find full textP, Das M., and Mahanty J. 1932-, eds. Modern perspectives in many-body physics: Proceedings of the Sixth Physics Summer School, The Australian National University, Canberra, Australia, 11-29 January 1993. Singapore: World Scientific, 1994.
Find full textBertsch, George F. Oscillations in finite quantum systems. Cambridge [England]: Cambridge University Press, 1994.
Find full textBook chapters on the topic "Many-Body quantum physics"
Ceperley, D. M., and M. H. Kalos. "Quantum Many-Body Problems." In Monte Carlo Methods in Statistical Physics, 145–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82803-4_4.
Full textSalasnich, Luca. "Many-Body Systems." In Quantum Physics of Light and Matter, 115–44. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-05179-6_6.
Full textSalasnich, Luca. "Many-Body Systems." In Quantum Physics of Light and Matter, 115–44. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-52998-1_6.
Full textSalasnich, Luca. "Quantum Mechanics of Many-Body Systems." In UNITEXT for Physics, 139–51. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-93743-0_9.
Full textVanderstraeten, Laurens. "Introduction to Quantum Many-Body Physics." In Springer Theses, 5–57. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-64191-1_2.
Full textWilming, Henrik, Thiago R. de Oliveira, Anthony J. Short, and Jens Eisert. "Equilibration Times in Closed Quantum Many-Body Systems." In Fundamental Theories of Physics, 435–55. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99046-0_18.
Full textSrivastava, Anubhav Kumar, Guillem Müller-Rigat, Maciej Lewenstein, and Grzegorz Rajchel-Mieldzioć. "Introduction to Quantum Entanglement in Many-Body Systems." In Lecture Notes in Physics, 225–85. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-55657-9_4.
Full textSchlein, Benjamin. "Bogoliubov theory for many-body quantum systems." In Partial Differential Equations, Spectral Theory, and Mathematical Physics, 367–88. Zuerich, Switzerland: European Mathematical Society Publishing House, 2021. http://dx.doi.org/10.4171/ecr/18-1/22.
Full textAugusiak, R., F. M. Cucchietti, and M. Lewenstein. "Many-Body Physics from a Quantum Information Perspective." In Modern Theories of Many-Particle Systems in Condensed Matter Physics, 245–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-10449-7_6.
Full textKakehashi, Yoshiro. "Quantum Many-Body Theory and Coherent Potential Approximation." In Nonequilibrium Physics at Short Time Scales, 3–21. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-08990-3_1.
Full textConference papers on the topic "Many-Body quantum physics"
Grigoriou, Emmanouil, Ming Li, Yoshitomo Kamiya, Germán J. de Valcárcel, and Carlos Navarrete-Benlloch. "Many-body phases enabled by quantum optical processes." In Quantum 2.0, QM5A.1. Washington, D.C.: Optica Publishing Group, 2024. http://dx.doi.org/10.1364/quantum.2024.qm5a.1.
Full textKelly, Hugh P. "Many-body calculations of photoionization cross sections." In Computational quantum physics. AIP, 1992. http://dx.doi.org/10.1063/1.42617.
Full textVERSTRAETE, FRANK. "ENTANGLEMENT IN MANY-BODY QUANTUM PHYSICS." In Proceedings of the 14th International Conference. WORLD SCIENTIFIC, 2008. http://dx.doi.org/10.1142/9789812779885_0007.
Full textYe, Jun. "Precision metrology and many-body quantum physics." In Laser Science. Washington, D.C.: OSA, 2012. http://dx.doi.org/10.1364/ls.2012.lw1i.3.
Full textDutta, Sayantan, Adrian Basarab, Bertrand Georgeot, and Denis Kouame. "Image Denoising Inspired by Quantum Many-Body physics." In 2021 IEEE International Conference on Image Processing (ICIP). IEEE, 2021. http://dx.doi.org/10.1109/icip42928.2021.9506794.
Full textLev, B. "Quantum Many-body Physics with Multimode Cavity QED." In CLEO: QELS_Fundamental Science. Washington, D.C.: OSA, 2017. http://dx.doi.org/10.1364/cleo_qels.2017.fm1e.2.
Full textDutta, Sayantan, Adrian Basarab, Bertrand Georgeot, and Denis Kouame. "Despeckling Ultrasound Images Using Quantum Many-Body Physics." In 2021 IEEE International Ultrasonics Symposium (IUS). IEEE, 2021. http://dx.doi.org/10.1109/ius52206.2021.9593778.
Full textPichard, Jean-Louis, Axel Freyn, Moises Martinez-Mares, and Jose A. Moreno-Razo. "Scattering approach to quantum transport and many body effects." In CONDENSED MATTER PHYSICS: IV Mexican Meeting on Experimental and Theoretical Physics: Symposium on Condensed Matter Physics. AIP, 2010. http://dx.doi.org/10.1063/1.3536609.
Full textFarfurnik, Demitry, and Nir Bar-Gill. "Spin ensembles in diamond for sensing and many-body physics." In Quantum Information and Measurement. Washington, D.C.: OSA, 2019. http://dx.doi.org/10.1364/qim.2019.f3b.2.
Full textCarmele, Alexander, Leon Droenner, and Julia Kabuss. "Quantum many-body correlations in collective phonon-excitations." In Physics and Simulation of Optoelectronic Devices XXVI, edited by Marek Osiński, Yasuhiko Arakawa, and Bernd Witzigmann. SPIE, 2018. http://dx.doi.org/10.1117/12.2296607.
Full text