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Related papers: Non-Hermitian electron-positron annihilation under…

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The electron-positron scattering process is investigated in the context of very special relativity (VSR). This theory assumes that the true symmetry of nature is not the full Lorentz group, but some of its subgroups, such as the subgroups…

High Energy Physics - Theory · Physics 2021-12-22 A. F. Santos , Faqir C. Khanna

In this paper, we investigate the Bhabha scattering process within the framework of non-Hermitian QED at finite temperature. In this theory, the hermiticity condition, typically required in quantum field theory to ensure the reality of…

High Energy Physics - Phenomenology · Physics 2026-02-18 D. S. Cabral , A. F. Santos , R. Bufalo

This paper investigates how the nonzero temperature affects the differential cross-section for mesons scattering in a Lorentz-violating extension of the scalar electrodynamics. We initially discuss some features of the model and extract the…

High Energy Physics - Phenomenology · Physics 2022-08-09 M. C. Araújo , R. V. Maluf

In this work the $e^{+}e^{-}\to l^{+}l^{-}$ scattering process is investigated. The cross-section is calculated considering three different effects: temperature, external magnetic field and chemical potential. The effect due to an external…

High Energy Physics - Phenomenology · Physics 2024-02-05 D. S. Cabral , A. F. Santos

The electron-positron annihilation process is investigated within the framework of Podolsky's generalized electrodynamics at finite temperature. In this theory, a higher-derivative term modifies the photonic kinetic sector, introducing a…

High Energy Physics - Theory · Physics 2025-09-09 D. S. Cabral , L. A. S. Evangelista , L. H. A. R. Ferreira , A. F. Santos

Certain non-Hermitian systems exhibit the skin effect, whereby the wavefunctions become exponentially localized at one edge of the system. Such exponential amplification of wavefunction has received significant attention due to its…

Quantum Physics · Physics 2024-03-26 Haowei Xu , Uroš Delić , Guoqing Wang , Changhao Li , Paola Cappellaro , Ju Li

In this paper we study meson scattering in a non-minimally Lorentz-violating scalar QED at finite temperature. The meson scatterings were investigated in tree level and the finite temperature effects were addressed by using the thermofield…

High Energy Physics - Theory · Physics 2024-06-26 M. C. Araújo , R. V. Maluf , J. Furtado

This contribution is a brief introduction to nonthermal effects related to modifications of the interatomic potential upon ultrafast excitation of the electronic system of solids, primarily focusing on the swift heavy ion track problem. We…

Materials Science · Physics 2023-12-29 N. Medvedev , R. Voronkov , A. E. Volkov

We calculate thermal corrections to the non-linear QED effective action for low-energy photon interactions in a background electromagnetic field. The high-temperature expansion shows that at $T \gg m$ the vacuum contribution is exactly…

High Energy Physics - Phenomenology · Physics 2009-10-31 Per Elmfors , Bo-Sture Skagerstam

We have computed finite temperature corrections to the electron-hadron scattering cross sections. These are based upon the renormalized electron mass and the modified density of states due to the presence of a background thermal bath. It is…

Astrophysics · Physics 2009-10-30 In-Saeng Suh , G. J. Mathews

The intrinsic fluctuations, memory effects and long-range color interactions in high energy nuclear collisions imply the presence of non-Markovian processes in the fireball evolution, which affects the thermalization process towards…

High Energy Physics - Phenomenology · Physics 2025-11-21 Zhi-Ying Qin , Jia-Hao Shi , Jin-Peng Zhang , Jian Cao , Bo Feng , Wen-Chao Zhang , Hua Zheng , Shi-Jun Mao

Thermal effects for inelastic neutrino-nucleus scattering off even-even nuclei in the iron region are studied. Allowed and first-forbidden contributions to the cross sections are calculated within the quasiparticle random phase…

Nuclear Theory · Physics 2015-05-20 Alan A. Dzhioev , A. I. Vdovin , V. Yu. Ponomarev , J. Wambach

Internal shocks occurring in blazars may accelerate both thermal and non-thermal electrons. In this paper we examine the consequences that such a hybrid (thermal/non-thermal) EED has on the spectrum of blazars. Since the thermal component…

High Energy Astrophysical Phenomena · Physics 2017-04-12 Jesus M. Rueda-Becerril , Petar Mimica , Miguel-A. Aloy

The cross section for process $e^+e^-\to\mu^+\mu^-\gamma$ in the framework of noncommutative quantum electrodynamics(NC QED) is studied. It is shown that the NC correction of scattering sections is not monotonous enhancement with total…

High Energy Physics - Theory · Physics 2007-05-23 Yongming Fu , Zheng-Mao Sheng

The paradigm shift of the Hermitian systems into the non-Hermitian regime profoundly modifies the inherent topological property, leading to various unprecedented effects such as the non-Hermitian skin effect (NHSE). In the past decade, the…

Classical Physics · Physics 2023-08-21 Yun-Kai Liu , Pei-Chao Cao , Minghong Qi , Qiang-Kai-Lai Huang , Yu-Gui Peng , Ying Li , Xue-Feng Zhu

We consider the fermionic contributions to the free energy of noncommutative QED at finite temperature $T$. This analysis extends the main results of our previous investigation where we have considered the pure bosonic sector of the theory.…

High Energy Physics - Theory · Physics 2008-11-26 F. T. Brandt , J. Frenkel , C. Muramoto

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

We present results of numerical solutions of Schwinger-Dyson equations for the finite-temperature quark and electron propagators. It is shown that both strongly coupled QED and QCD undergo a chiral symmetry restoring phase transition as the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michael Strickland

The electron-positron `box' diagram produces an effective action which is fourth order in the electromagnetic field. We examine the behaviour of this effective action at high-temperature (in analytically continued imaginary-time thermal…

High Energy Physics - Theory · Physics 2010-11-01 Fernando T. Brandt , Josif Frenkel , John C. Taylor

(abridged) We have studied the effects of electron-ion non-equipartition in the outer regions of relaxed clusters for a wide range of masses in the \LambdaCDM cosmology using one-dimensional hydrodynamic simulations. The effects of the…

Cosmology and Nongalactic Astrophysics · Physics 2010-10-14 Ka-Wah Wong , Craig L. Sarazin
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