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The impact of strong magnetic fields B>10e13 G on the thermal evolution of neutron stars is investigated, including crustal heating by magnetic field decay. For this purpose, we perform 2D cooling simulations with anisotropic thermal…

Astrophysics · Physics 2010-11-11 Deborah N. Aguilera , José A. Pons , Juan A. Miralles

We discuss the phenomenon of (inverse) magnetic catalysis for both the deconfinement and chiral transition. We discriminate between the hard and soft wall model, which we suitably generalize to include a magnetic field. Our findings show a…

High Energy Physics - Theory · Physics 2017-04-05 David Dudal , Diego Rocha Granado , Thomas G. Mertens

The thermal expansion coefficient $\alpha$ of MgB$_2$ is revealed to change from positive to negative on cooling through the superconducting transition temperature $T_c$. The Gr\"uneisen function also becomes negative at $T_c$ followed by a…

Superconductivity · Physics 2009-11-11 J. J. Neumeier , T. Tomita , M. Debessai , J. S. Schilling , P. W. Barnes , D. G. Hinks , J. D. Jorgensen

Using the AdS/CFT correspondence, we probe the scale-dependence of thermalization in strongly coupled field theories following a quench via saddlepoint calculations of 2-point functions, Wilson loops and entanglement entropy in $d=2,3,4$.…

High Energy Physics - Theory · Physics 2011-05-23 V. Balasubramanian , A. Bernamonti , J. de Boer , N. Copland , B. Craps , E. Keski-Vakkuri , B. Müller , A. Schäfer , M. Shigemori , W. Staessens

Explicit results for various quantum thermodynamic function (QTF) of a charged magneto-oscillator coupled to a heat bath at arbitrary temperature are demonstrated in this paper. Discernible expressions for different QTF in the two limits of…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Malay Bandyopadhyay

We study the cooling evolution of neutron stars with strong poloidal magnetic fields (with strength not far from observed values) using the full general relativity 2-dimensional \textit{Astreus} code, which solves consistently Einstein's…

High Energy Astrophysical Phenomena · Physics 2025-06-12 Rodrigo Negreiros , Jeffrey Peterson , Veronica Dexheimer

We study the vacuum polarization tensor of QED (quantum electrodynamics) at high temperatures up to the two loop levels and its effect on the electromagnetic properties of a medium. One loop corrections to QED coupling vanish at low…

High Energy Physics - Phenomenology · Physics 2018-09-03 Samina S Masood

The catalysis of chiral symmetry breaking by a magnetic field in the massless weak-coupling phase of QED is studied. The dynamical mass of a fermion (energy gap in the fermion spectrum) is shown to depend essentially nonanalytically on the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Valery P. Gusynin

We propose an analytical approach to SU(2) Yang-Mills thermodynamics. The existence of a macroscopic and rigid adjoint Higgs field, generated by dilute trivial-holonomy calorons at large temperature $T$ (electric phase), implies a twofold…

High Energy Physics - Phenomenology · Physics 2017-08-23 Ralf Hofmann

Specific heat and magnetization results as a function of field on single- and poly-crystalline samples of Ce(1-x)La(x)RhIn(5) show 1.) a specific heat gamma of about 100 mJ/moleK^2 (in agreement with recent dHvA results of Alvers et al.);…

Strongly Correlated Electrons · Physics 2009-11-07 J. S. Kim , J. Alwood , D. Mixson , P. Watts , G. R. Stewart

The analytic strong coupling expansion of the gluodynamics under a rotation with an angular velocity $\omega$ is reported. While the expansion is systematic, free from additional assumptions, the deconfinement temperature determined by the…

High Energy Physics - Phenomenology · Physics 2025-05-22 Sheng Wang , Jun-Xia Chen , Defu Hou , Hai-Cang Ren

We study the thermal confinement/deconfinement and non-thermal quantum phase transitions or rapid cross-overs in QCD and QCD-like theories in external magnetic fields. At large magnetic fields, while the contribution of gauge fluctuations…

High Energy Physics - Theory · Physics 2015-06-17 Mohamed M. Anber , Mithat Unsal

We have studied the influence of a magnetic field on the thermodynamic properties of Ca$_{2-x}$Sr$_{x}$RuO$_4$ in the intermediate metallic region with tilt and rotational distortions ($0.2\leq x \leq 0.5$). We find strong and anisotropic…

Strongly Correlated Electrons · Physics 2009-11-11 J. Baier , T. Zabel , M. Kriener , P. Steffens , O. Schumann , O. Friedt , A. Freimuth , A. Revcolevschi , S. Nakatsuji , Y. Maeno , T. Lorenz , M. Braden

We present a comprehensive experimental and theoretical investigation of the thermodynamic properties: specific heat, magnetization and thermal expansion in the vicinity of the field-induced quantum critical point (QCP) around the lower…

We propose a set of lattice measurements which could test whether the deconfined, quark-gluon plasma, phase of QCD shows strong coupling aspects at temperatures a few times the critical temperature for deconfinement, in the region where the…

High Energy Physics - Phenomenology · Physics 2009-11-05 E. Iancu , A. H. Mueller

We study the thermodynamics of the Hamiltonian Mean Field (HMF) model with an external potential playing the role of a "magnetic field". If we consider only fully stable states, this system does not present any phase transition. However, if…

Statistical Mechanics · Physics 2015-05-20 Pierre-Henri Chavanis

We investigate how the interplay between a staggered magnetic field and staggered coupling strength affects both ground state and thermal entanglement. Upon analytically calculating thermodynamic quantities and the correlation functions for…

Quantum Physics · Physics 2012-06-26 Jenny Hide , Yoshifumi Nakata , Mio Murao

We investigate the QCD phase diagram for nonzero background magnetic fields using first-principles lattice simulations. At the physical point (in terms of quark masses), the thermodynamics of this system is controlled by two opposing…

High Energy Physics - Lattice · Physics 2020-01-08 Gergely Endrodi , Matteo Giordano , Sandor D. Katz , Tamas G. Kovacs , Ferenc Pittler

Using lattice simulations, we analyze the influence of uniform rotation on the equation of state of gluodynamics. For a sufficiently slow rotation, the free energy of the system can be expanded into a series of powers of angular velocity.…

High Energy Physics - Lattice · Physics 2023-12-29 Victor V. Braguta , Maxim N. Chernodub , Ilya E. Kudrov , Artem A. Roenko , Dmitrii A. Sychev

Models of inflationary magnetogenesis with a coupling to the electromagnetic action of the form $f^2 F_{\mu\nu}F^{\mu\nu}$, are known to suffer from several problems. These include the strong coupling problem, the back reaction problem and…

Cosmology and Nongalactic Astrophysics · Physics 2017-10-18 Ramkishor Sharma , Sandhya Jagannathan , T. R. Seshadri , Kandaswamy Subramanian