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Related papers: Lorentz ratio of a compensated metal

200 papers

In this work, the conversion of linear polarization of a laser beam to circular one through its forward scattering by a TeV order charged lepton beam in the presence of Lorentz violation correction is explored. We calculate the ratio of…

High Energy Physics - Phenomenology · Physics 2019-03-20 Seddigheh Tizchang , Rohoollah Mohammadi , She-Sheng Xue

Reliable evaluation of the lattice thermal conductivity is of importance for optimizing the figure-of-merit of thermoelectric materials. Traditionally, when deriving the phonon mediated thermal conductivity $\kappa_{ph} = \kappa -…

Materials Science · Physics 2014-08-15 M. X. Chen , R. Podloucky

We investigate the prospects for detecting violations of Lorentz symmetry in unpolarized deep inelastic electron-proton scattering in the context of the future electron-ion collider. Simulated differential cross-section data are used to…

High Energy Physics - Phenomenology · Physics 2020-05-15 Enrico Lunghi , Nathan Sherrill

In this paper, the differential cross section for the Compton scattering process is calculated. Two types of corrections are investigated: corrections due to violation of Lorentz symmetry and thermal effects. An extended QED is considered…

High Energy Physics - Theory · Physics 2023-01-19 D. S. Cabral , A. F. Santos , Faqir C. Khanna

A search for Lorentz violation in electrodynamics was performed by measuring the resonant frequency difference between two counterpropagating directions of an optical ring cavity. Our cavity contains a dielectric element, which makes our…

General Relativity and Quantum Cosmology · Physics 2013-05-15 Yuta Michimura , Nobuyuki Matsumoto , Noriaki Ohmae , Wataru Kokuyama , Yoichi Aso , Masaki Ando , Kimio Tsubono

The simplest Lorentz-nonreciprocal medium has the constitutive relations (${\bf D} =\epso {\bf E} -{\bf \Gamma}\times {\bf H}$ and ${\bf B} =\muo {\bf H} + {\bf \Gamma}\times{\bf E}$). Scattering by a three-dimensional object composed of…

We present here the computation of electrical and thermal conductivity by solving the Boltzmann transport equation in relaxation time approximation. We use the $q$-generalized Boltzmann distribution function to incorporate the effects of…

High Energy Physics - Phenomenology · Physics 2019-08-01 Rutuparna Rath , Sushanta Tripathy , Bhaswar Chatterjee , Raghunath Sahoo , Swatantra K. Tiwari , Abhishek Nath

The in-plane resistivity, rho, and thermal conductivity, kappa, of a single crystal of Na_0.7CoO_2 were measured down to 40 mK. Verification of the Wiedemann-Franz law, kappa/T = L_0/rho as T -> 0, and observation of a T^2 dependence of rho…

Strongly Correlated Electrons · Physics 2009-11-10 S. Y. Li , Louis Taillefer , D. G. Hawthorn , M. A. Tanatar , Johnpierre Paglione , M. Sutherland , R. W. Hill , C. H. Wang , X. H. Chen

We investigate the relativistic dynamics of a spin half particle in the presence of a Lorentz-violating background within the framework of effective field theory. A modified Dirac Hamiltonian is considered, arising from a CPT odd coupling…

High Energy Physics - Phenomenology · Physics 2026-04-10 E. Maciel , M. A. Anacleto , K. E. L. Farias , E. Passos

Theories of proximity effect in layered superconductor-normal metal structures usually deal with a hypothetic normal metal with no interaction between electrons and with finite temperatures often close to the superconductor critical…

Superconductivity · Physics 2008-11-19 A. S. Alexandrov , V. V. Kabanov

The temperature dependence of the interlayer electrical and thermal resistivity in a layered metal are calculated for Fermi liquid quasiparticles which are scattered inelastically by two-dimensional antiferromagnetic spin fluctuations. Both…

Strongly Correlated Electrons · Physics 2009-01-28 M. F. Smith , Ross H. McKenzie

Consider the linear Boltzmann equation of radiative transfer in a half-space, with constant scattering coefficient $\sigma$. Assume that, on the boundary of the half-space, the radiation intensity satisfies the Lambert (i.e. diffuse)…

Analysis of PDEs · Mathematics 2018-09-18 Claude Bardos , François Golse , Iván Moyano

The possibility of anisotropies in the speed of light relative to the limiting speed of electrons is considered. The absence of sidereal variations in the energy of Compton-edge photons at the ESRF's GRAAL facility constrains such…

The low-energy amplitude of Compton scattering on the bound state of two charged particles of arbitrary masses, charges and spins is calculated. A case in which the bound state exists due to electromagnetic interaction (QED) is considered.…

High Energy Physics - Phenomenology · Physics 2011-01-25 R. N. Lee , A. I. Milstein , M. Schumacher

Taylor's law (TL), a power-law relationship between the mean and variance of a quantity, has been observed across diverse scientific disciplines. Despite its ubiquity, the underlying mechanisms responsible for TL are not yet fully…

Adaptation and Self-Organizing Systems · Physics 2025-07-14 Yuzuru Mitsui , Hiroshi Kori

In this letter, we investigate the effects of Lorentz symmetry violation on a relativistic neutral scalar boson within the framework of the Klein-Gordon formalism. We consider a tensor $(K_F)_{\mu \nu \alpha \beta}$ out of the Standard…

High Energy Physics - Theory · Physics 2025-02-19 Luis B. Castro , Antonio S. de Castro

We determine the effect of a CPT-even and Lorentz violating non-minimal coupling on the differential cross sections for some of the most important tree-level processes in QED, namely, Compton and Bhabha scatterings, as well as…

High Energy Physics - Phenomenology · Physics 2016-09-19 G. P. de Brito , J. T. Guaitolini Junior , D. Kroff , P. C. Malta , C. Marques

This paper addresses Yukawa theory, focusing on the scattering between two identical fermions mediated by an intermediate scalar boson, considering the effects of thermal contributions and Lorentz symmetry breaking. Temperature is…

High Energy Physics - Theory · Physics 2024-10-24 D. S. Cabral , L. A. S. Evangelista , J. C. R. de Souza , L. H. A. R. Ferreira , A. F. Santos

We consider the thermoelectric properties of a double-quantum-dot molecule coupled in parallel to metal electrodes with a magnetic flux threading the ring. By means of the Sommerfeld expansion we obtain analytical expressions for the…

Mesoscale and Nanoscale Physics · Physics 2012-03-13 G. Gómez-Silva , O. Ávalos-Ovando , M. L. Ladrón de Guevara , P. A. Orellana

The quadratic low-temperature dependence of resistance in ordinary metals is determined by the momentum relaxation due to electron-electron scattering in the presence Umklapp processes and scattering on impurities. In metals without…

Strongly Correlated Electrons · Physics 2021-05-12 V. P. Mineev