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We investigate the effect of the thermal imbalance on the structural stability of the magnetohydrodynamic model of the preflare current layer (Ledentsov, Sol. Phys. 296, 74, 2021). The piecewise homogeneous model of the current layer is…

Solar and Stellar Astrophysics · Physics 2021-06-18 Leonid Ledentsov

The dependence of thermally induced spontaneous magnetization reversal on time-dependent cooling protocols was studied. Slower cooling and longer waiting close to the N\`{e}el temperature of the antiferromagnet ($T_N$) enhances the…

Materials Science · Physics 2009-11-11 Zhi-Pan Li , Casey W. Miller , Igor V. Roshchin , Ivan K. Schuller

In thermal equilibrium the ground state of the plasma of Standard Model particles is determined by temperature and exactly conserved combinations of baryon and lepton numbers. We show that at non-zero values of the global charges a…

High Energy Physics - Phenomenology · Physics 2012-10-09 Alexey Boyarsky , Oleg Ruchayskiy , Mikhail Shaposhnikov

We study the impact of an external magnetic field on the long-range electron transport in quasi-one-dimensional materials, such as polypeptides, (semi-) conducting polymers and macromolecules, taking into account the electron-lattice…

Soft Condensed Matter · Physics 2026-03-11 Larissa Brizhik , B. M. A. G. Piette

Cooling of neutron stars with dipole magnetic fields is simulated using a realistic model of the anisotropic surface temperature distribution produced by magnetic fields. Suppression of the electron thermal conductivity of outer stellar…

Astrophysics · Physics 2011-05-23 Yu. A. Shibanov , D. G. Yakovlev

We report a Monte Carlo simulation of deposition of magnetic particles on a one-dimensional substrate. Incoming particles interact with those that are already part of the deposit via a dipole-dipole potential. The strength of the dipolar…

Condensed Matter · Physics 2009-11-10 F. de los Santos , M. Tasinkevych , J. M. Tavares , P. I. C. Teixeira

In this thesis we explore the physics of renormalons in integrable models under the framework of resurgence. In the first part, we review some background on resurgence, integrability and renormalons, including a discussion of large N…

High Energy Physics - Theory · Physics 2023-02-21 Tomas Reis

The thermal self-energy of an electron in a static uniform magnetic field $B$ is calculated to first order in the fine structure constant $\alpha $ and to all orders in $eB$. We use two methods, one based on the Furry picture and another…

High Energy Physics - Phenomenology · Physics 2009-10-28 Per Elmfors , David Persson , Bo-Sture Skagerstam

We show that the evolution of magnetic fields in a primordial plasma, filled with Standard Model particles, at temperatures T > 10 MeV is strongly affected by the quantum chiral anomaly -- an effect that has been neglected previously.…

Cosmology and Nongalactic Astrophysics · Physics 2012-01-19 Alexey Boyarsky , Juerg Froehlich , Oleg Ruchayskiy

We compare the effects of temperature, disorder and parallel magnetic field on the metallic-like temperature dependence of the resistivity. We found a similarity between the effects of disorder and parallel field: the parallel field weakens…

Strongly Correlated Electrons · Physics 2007-05-23 V. M. Pudalov , G. Brunthaler , A. Prinz , G. Bauer

In the recent years, the thermal Hall transport has risen as an important diagnosis of the physical properties of the elementary excitations in various quantum materials, especially among the Mott insulating systems where the electronic…

Strongly Correlated Electrons · Physics 2024-06-19 Xiao-Tian Zhang , Yong Hao Gao , Gang Chen

We investigate the nature of the phase transition for charged scalars in the presence of a magnetic background for a theory with spontaneous symmetry breaking. We perform a careful treatment of the negative mass squared as a function of the…

High Energy Physics - Phenomenology · Physics 2015-06-15 Alejandro Ayala , Luis Alberto Hernandez , Jesus Lopez , Ana Julia Mizher , Juan Cristobal Rojas , Cristian Villavicencio

We simulate a four dimensional self-interacting scalar field theory on the lattice at finite temperature. By varying temperature, the system undergoes a phase transition from broken phase to symmetric phase. Our data show that the…

High Energy Physics - Lattice · Physics 2007-05-23 P. Cea , M. Consoli , L. Cosmai

We study the modifications to the real part of the thermal self-energy for chiral fermions in the presence of a constant external hypermagnetic field. We compute the dispersion relation for fermions occupying a given Landau level to first…

High Energy Physics - Phenomenology · Physics 2009-11-10 Alejandro Ayala , Adnan Bashir , Sarira Sahu

We study the behavior of a hadronic matter in the presence of an external magnetic field within the van der Waals hadron resonance gas model, considering both attractive and repulsive interactions among the hadrons. Various thermodynamic…

High Energy Physics - Phenomenology · Physics 2023-11-01 Bhagyarathi Sahoo , Kshitish Kumar Pradhan , Dushmanta Sahu , Raghunath Sahoo

Electron current layers, which form in various natural and laboratory plasmas, are susceptible to multiple instabilities, with tearing being a prominent instability driven by current gradients. Tearing is considered a potential mechanism…

Plasma Physics · Physics 2025-01-27 Sushmita Mishra , Gurudatt Gaur , Bhavesh G. Patel

We study the effect of a magnetic field on the thermal relaxation of non-interacting small monodomain particle systems particles with a distribution of anisotropy constants and random easy-axes directions. Numerical calculations of the…

Materials Science · Physics 2007-05-23 Oscar Iglesias , Amilcar Labarta

We investigate the effect of (weak) dipolar interactions on the field behavior of the temperature at the maximum of the zero-field-cooled magnetization of a polydisperse assembly of nanoparticles. For this purpose, we extend the…

Statistical Mechanics · Physics 2009-11-11 M. Azeggagh , H. Kachkachi

Effects of external magnetic field on various properties of the quantum chromodynamics under extreme conditions of temperature and density have been analysed. To this end, we use SU(3) Polyakov linear sigma-model and assume that the…

High Energy Physics - Phenomenology · Physics 2015-01-30 Abdel Nasser Tawfik , Niseem Magdy

The effect of thermal fluctuations on the phase structure of monoaxial helimagnets with external magnetic field parallel to the chiral axis is analyzed by means of a saddle point expansion of the free energy. The phase transition that…

Strongly Correlated Electrons · Physics 2018-11-07 Victor Laliena , Yusuke Kato , German Albalate , Javier Campo