Relevant bibliographies by topics / Crossing symmetric dispersion relation

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Crossing symmetric dispersion relation'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "Crossing symmetric dispersion relation"

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Gao, Heng, Jörn W. F. Venderbos, Youngkuk Kim, and Andrew M. Rappe. "Topological Semimetals from First Principles." Annual Review of Materials Research 49, no. 1 (2019): 153–83. http://dx.doi.org/10.1146/annurev-matsci-070218-010049.

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We review recent theoretical progress in the understanding and prediction of novel topological semimetals. Topological semimetals define a class of gapless electronic phases exhibiting topologically stable crossings of energy bands. Different types of topological semimetals can be distinguished on the basis of the degeneracy of the band crossings, their codimension (e.g., point or line nodes), and the crystal space group symmetries on which the protection of stable band crossings relies. The dispersion near the band crossing is a further discriminating characteristic. These properties give ris
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Margańska, Magdalena, Marek Szopa, and Eldot zbieta Zipper. "Symmetric and asymmetric dispersion relation in graphene." Journal of Physics: Conference Series 30 (February 28, 2006): 302–6. http://dx.doi.org/10.1088/1742-6596/30/1/036.

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Engström, C., and M. Wang. "Complex dispersion relation calculations with the symmetric interior penalty method." International Journal for Numerical Methods in Engineering 84, no. 7 (2010): 849–63. http://dx.doi.org/10.1002/nme.2926.

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Namouni, F. "Inclination pathways of planet-crossing asteroids." Monthly Notices of the Royal Astronomical Society 510, no. 1 (2021): 276–91. http://dx.doi.org/10.1093/mnras/stab3405.

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ABSTRACT Long-term statistical simulations of the past evolution of high-inclination Centaurs showed that their orbits tend to be polar with respect to the Solar system’s invariable plane over a large semimajor axis range in trans-neptunian space. Here, we lay the analytical foundation of the study of the inclination pathways of planet-crossing asteroids that explains these findings. We show that the Tisserand relation partitions the inclination–semimajor axis parameter space of the three-body problem into distinct regions depending on the asteroid’s Tisserand parameter T or equivalently its o
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Froes, D., M. Arana, J. P. Sinnecker, and L. C. Sampaio. "Magnetoelastic modes in Néel domain walls." Journal of Applied Physics 132, no. 22 (2022): 223908. http://dx.doi.org/10.1063/5.0128775.

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Spin wave propagation over long distances in confined ferromagnetic strip lines exhibiting magnetoelasticity opens up promising perspectives for device applications. Domain walls as natural spin wave channels increase the spin wave propagation distance. We calculate the magnetic and elastic modes through micromagnetic simulations and the dispersion relation of strip lines containing a Néel wall. We show that at the crossing points in the dispersion relation, two behaviors are observed: an anticrossing gap when a strong coupling is present or a gapless point when the magnetoelastic feedback cyc
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Babović, V. M., B. A. Aničin, and D. M. Davidović. "The Square Root Approximation to the Dispersion Relation of the Axially-symmetric Electron Wave on a Cylindrical Plasma." Zeitschrift für Naturforschung A 52, no. 10 (1997): 709–12. http://dx.doi.org/10.1515/zna-1997-1004.

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Abstract This paper suggests the use of a simple square root approximation to the dispersion relation of axially-symmetric electron surface waves on cylindrical plasmas. The point is not merely to substitute the exact expression for the dispersion relation which involves a number of Bessel functions with a more tractable analytical approximant, but to cast the dispersion relation in a form useful in the comparison with other waves, such as water surface gravity waves and the associated tide-rip effect. The square root form of the dispersion relation is also of help in the analysis of surfactro
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KOLLAR, MARCUS. "CONSTRUCTION OF A DISPERSION RELATION FROM AN ARBITRARY DENSITY OF STATES." International Journal of Modern Physics B 16, no. 23 (2002): 3491–501. http://dx.doi.org/10.1142/s0217979202011937.

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The dispersion relations of energy bands in solids are characterized by their density of states, but a given density of states may originate from various band structures. We show how a spherically symmetric dispersion can be constructed for any one-band density of states. This method is applied to one-, two- and three-dimensional systems. It also serves to establish that any one-band spectrum with finite bandwidth can be obtained from a properly scaled dispersion relation in the limit of infinite dimensions.
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Adachi, Yukio, and Chiaki Hirose. "A Study of the Crossing Angle in Condensed-Phase CARS." Applied Spectroscopy 43, no. 1 (1989): 61–65. http://dx.doi.org/10.1366/0003702894201950.

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A novel method of tuning the crossing angle, that is, the phase-matching condition, in condensed-phase CARS measurements has been presented. The method enables us to tune the phase-matching condition by simply tilting the sample cell with no need for adjusting the crossing angle of excitation laser beams over the range of about 600 cm−1.To this end, a relation between the crossing angle and the frequency difference between the two excitation lasers, which is associated with the Raman shift, has been derived in the normal dispersion region and has been experimentally examined.
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Chapman, C. J., and S. V. Sorokin. "The finite-product method in the theory of waves and stability." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 466, no. 2114 (2009): 471–91. http://dx.doi.org/10.1098/rspa.2009.0255.

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This paper presents a method of analysing the dispersion relation and field shape of any type of wave field for which the dispersion relation is transcendental. The method involves replacing each transcendental term in the dispersion relation by a finite-product polynomial. The finite products chosen must be consistent with the low-frequency, low-wavenumber limit; but the method is nevertheless accurate up to high frequencies and high wavenumbers. Full details of the method are presented for a non-trivial example, that of anti-symmetric elastic waves in a layer; the method gives a sequence of
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Chapman, C. J., and S. V. Sorokin. "The deferred limit method for long waves in a curved waveguide." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 473, no. 2200 (2017): 20160900. http://dx.doi.org/10.1098/rspa.2016.0900.

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This paper presents a technique, based on a deferred approach to a limit, for analysing the dispersion relation for propagation of long waves in a curved waveguide. The technique involves the concept of an analytically satisfactory pair of Bessel functions, which is different from the concept of a numerically satisfactory pair, and simplifies the dispersion relations for curved waveguide problems. Details are presented for long elastic waves in a curved layer, for which symmetric and antisymmetric waves are strongly coupled. The technique gives high-order corrections to a widely used approxima
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Dissertations / Theses on the topic "Crossing symmetric dispersion relation"

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Zahed, Ahmadullah. "New tools to constrain EFTs and CFTs." Thesis, 2023. https://etd.iisc.ac.in/handle/2005/6201.

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In this thesis, we develop new methods for the S matrix bootstrap in the context of 2-2 scattering amplitudes and four-point correlators in conformal field theories (CFTs). For 2-2 scattering in quantum field theories, we consider manifestly three-channel crossing symmetric dispersion relation (CSDR), unlike the two-channel symmetric fixed-t dispersion relation. We give simple derivations of certain known positivity conditions for effective field theories, including the null constraints, which lead to two-sided bounds and derive a general set of new nonperturbative inequalities. We derive
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Book chapters on the topic "Crossing symmetric dispersion relation"

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Zahed, Ahmadullah. "A Review on Crossing Symmetric Dispersion Relations in QFTs and CFTs." In Springer Proceedings in Physics. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2354-8_161.

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Conference papers on the topic "Crossing symmetric dispersion relation"

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Kamiński, R. "Dispersion relations with crossing symmetry for ππ D- and F1-wave amplitudes". У THE IX INTERNATIONAL CONFERENCE ON QUARK CONFINEMENT AND THE HADRON SPECTRUM—QCHS IX. AIP, 2011. http://dx.doi.org/10.1063/1.3575000.

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Escobar, A. C., J. P. Del Risco, O. Quevedo-Teruel, F. Mesa, and J. D. Baena. "Retrieval of the Constitutive Parameters and Dispersion Relation of Glide-Symmetric Metamaterials via the Multimodal Transfer Matrix Method." In 2020 Fourteenth International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials). IEEE, 2020. http://dx.doi.org/10.1109/metamaterials49557.2020.9285093.

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Jeong, Jong-Sool, Seok Ho Song, and El-Hang Lee. "Generalized Dispersion Equations for Nonlinear Waveguides with Kerr-type Films." In Nonlinear Optics: Materials, Fundamentals and Applications. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/nlo.1996.nme.8.

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The characteristics of planar waveguides with nonlinear layers has been extensively studied due to their potential application as all-optical switching and signal-processing element [1-3]. Here we present a generalized form of nonlinear dispersion equations for various nonlinear waveguide structures with Kerr-type films. By using the relation of the interface electric fields, we obtain the generalized form of nonlinear dispersion equations as an analytic form. The “generalized” means that the equation can represent most of nonlinear waveguide structures with up to five linear and/or nonlinear
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Trillo, S., and S. Wabnitz. "Generation of Spatio-Temporal Patterns and All-Optical Switching based on Coherently Induced Modulational Instability in Fibers." In Nonlinear Guided-Wave Phenomena. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/nlgwp.1991.mb5.

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The appearance of modulational sidebands building up from noise has been reported when an intense cw or quasi-cw propagates in a fiber in the anomalous dispersion regime [1]. The modulation transforms the input wave into a train of pulses with ultra-high repetition rate. This process may be stimulated by seeding incoherently (i.e., by means of a different weak detuned laser) the modulational instability (MI) [2]. However the experiments and the early theory on MI [3] have led to the diffuse but erroneous belief that in the presence of MI the input wave becomes a train of solitons. On the contr
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Fischer, Lutz, Lars Gadermann, Daniel Holder, Niklas Ihle, Julius Schlecht, and Thomas Maier. "Investigation of the influences of sensors for automated driving on the perception of exterior design." In 14th International Conference on Applied Human Factors and Ergonomics (AHFE 2023). AHFE International, 2023. http://dx.doi.org/10.54941/ahfe1003806.

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Automated driving requires a large number of sensors. They are used to detect environmental influences and regulate vehicle guidance. Many of these sensors have to fulfil requirements regarding position and functional installation space. This creates a conflict of objectives between aesthetically appealing integration into the design and functional integration into trim parts or an aerodynamic concept. In addition, the perception of the sensors by vehicle users and other road users could favour the recognition of an automated vehicle (AV). Numerous studies showed the fundamental importance of
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