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Related papers: Infrared chiral anomaly at finite temperature

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Scalar fields at finite temperature are considered in four dimensional ultrastatic curved spacetime. One loop nonlocal effective action at finite temperature is found up to the second order in curvature expansion. This action is explicitly…

High Energy Physics - Theory · Physics 2010-04-06 Yuri Gusev , Andrei Zelnikov

A comment on the Letter by E. Aghion, D. Kessler, and E. Barkai, Phys. Rev. Lett. 118, 260601 (2017). An important criterion on finite kinetic temperature of the system of cold atoms is established. It is shown that the kinetic temperature…

Statistical Mechanics · Physics 2017-08-29 Igor Goychuk

We evaluate the leading infrared behavior of the scalar susceptibility in QCD and in the multiflavor Schwinger model for small non-zero quark mass $m$ and/or small nonzero temperature as well as the scalar susceptibility for the finite…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Smilga , J. J. M. Verbaarschot

The chiral anomaly is a quantum mechanical effect for massless Dirac fermions in both particle physics and condensed matter physics. Here we present a set of effective models for single massless Dirac fermions in one- and three-dimensions…

Mesoscale and Nanoscale Physics · Physics 2025-09-11 Huan-Wen Wang , Bo Fu , Shun-Qing Shen

Typically two particles (spins) could be maximally entangled at zero temperature, and for a certain temperature the phenomenon of entanglement vanishes at the threshold temperature. For the Heisenberg coupled model or even the Ising model…

Strongly Correlated Electrons · Physics 2014-04-09 M. Rojas , S. M. de Souza , Onofre Rojas

In odd-dimensional spaces, gauge invariance permits a Chern-Simons mass term for the gauge fields in addition to the usual Maxwell-Yang-Mills kinetic energy term. We study the Casimir effect in such a (2+1)-dimensional Abelian theory. For…

High Energy Physics - Theory · Physics 2007-05-23 Kimball A. Milton

It is shown that weak correlations between the pair-breaking impurities in superconductors influence a temperature dependence of the order parameter within the Ginzburg and Landau region if the correlation radius of impurities R is greater…

Superconductivity · Physics 2015-05-20 I. A. Fomin

We study the temperature dependence of the pseudoscalar meson properties in a relativistic bound-state approach exhibiting the chiral behavior mandated by QCD. Concretely, we adopt the Dyson-Schwinger approach with a rank-2 separable model…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Horvatic , D. Klabucar , A. E. Radzhabov

The gravitational effect on the chiral phase structure at finite temperature and density is investigated in the framework of Nambu--Jona-Lasinio model in $D$-dimensional ultrastatic Einstein universe. In mean field approximation, the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xuguang Huang , Xuewen Hao , Pengfei Zhuang

Spectral singularities such as exceptional points invoke specific physical effects. The present paper focuses upon the time dependent solutions of the Schr\"odinger equation. In a simple model it is demonstrated that - depending on initial…

Quantum Physics · Physics 2015-05-20 WD Heiss

Models explaining dark matter typically include interactions with charged scalar and fermion fields. The Infra-Red (IR) finiteness of thermal field theories of charged fermions (fermionic QED) has been proven to all orders in perturbation…

High Energy Physics - Phenomenology · Physics 2022-10-19 Pritam Sen , D. Indumathi , Debajyoti Choudhury

Asymptotically exact low temperature expansions for the $s=1/2$ Heisenberg XXZ chains with boundaries are implemented by using the boundary conformal field theory. It is found that for $1/2<\Delta\leq 1$, ($\Delta$, an anisotropic…

Strongly Correlated Electrons · Physics 2007-05-23 Satoshi Fujimoto

The recently observed bilayer splitting in high-T$_c$ cuprates is analyzed within a model where the charge carriers are coupled to a phenomenological bosonic spectrum which interpolates between the marginal Fermi liquid structure and…

Superconductivity · Physics 2009-11-07 S. Varlamov , G. Seibold

We investigate the unusual temperature dependence of the anomalous Hall effect in Ni. By varying the thickness of the MBE-grown Ni films, the longitudinal resistivity is uniquely tuned without resorting to doping impurities; consequently,…

Materials Science · Physics 2015-05-28 Li Ye , Yuan Tian , Di Xiao , Xiaofeng Jin

We discuss the thermal behaviour of the pion vector form factors and calculate them in one-loop Chiral Perturbation Theory. The perturbative result is used to analyze the $T$-dependent electromagnetic pion charge radius, obtaining a rough…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Gomez Nicola , F. J. LLanes-Estrada , J. R. Pelaez

The mass anomalous dimension for several gauge theories with an infrared fixed point has recently been determined using the mode number of the Dirac operator. In order to better understand the sources of systematic error in this method, we…

High Energy Physics - Lattice · Physics 2015-08-21 Liam Keegan

The Axial Magnetic Effect is the generation of an equilibrium dissipationless energy flow of chiral fermions in the direction of the axial (chiral) magnetic field. At finite temperature the dissipationless energy transfer may be realized in…

High Energy Physics - Lattice · Physics 2014-04-23 V. Braguta , M. N. Chernodub , V. A. Goy , K. Landsteiner , A. V. Molochkov , M. I. Polikarpov

Quantum anomalies in Weyl semimetal (for either ${\bf E}\cdot{\bf B} \neq 0$ or ${\bf \nabla}T\cdot{\bf B} \neq 0$) leads to chiral charge and energy pumping between the opposite chirality nodes. This results in chiral charge and energy…

Mesoscale and Nanoscale Physics · Physics 2020-02-05 Kamal Das , Amit Agarwal

We consider chiral gauge theories defined over a four-dimensional spacetime manifold with a Cartesian product structure for at least one compact spatial dimension. For a simple setup, we calculate the effective gauge field action by…

High Energy Physics - Theory · Physics 2008-11-26 F. R. Klinkhamer

Within gauge/gravity duality, we study the class of four dimensional CFTs with chiral anomaly described by Einstein-Maxwell-Chern-Simons theory in five dimensions. In particular we determine the phase diagram at finite temperature, chemical…

High Energy Physics - Theory · Physics 2016-07-28 Martin Ammon , Julian Leiber , Rodrigo P. Macedo