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We investigate the effect of a strong magnetic field on dynamical chiral symmetry breaking in quenched and unquenched QCD. To this end we apply the Ritus formalism to the coupled set of (truncated) Dyson-Schwinger equations for the quark…

High Energy Physics - Phenomenology · Physics 2014-06-11 Niklas Mueller , Jacqueline A. Bonnet , Christian S. Fischer

The thermodynamics of finite size quark matter in the quasiparticle model is self-consistently constructed by an effective bag function, which presents the medium effect to the confinement. We obtained completely analytic surface tension in…

High Energy Physics - Phenomenology · Physics 2023-04-26 Yu-Ying He , Xin-Jian Wen

The most recent lattice results on the QCD phase diagram in the presence of a strong magnetic field strongly disagree with results from previous lattice simulations and several model calculations. The most remarkable difference is the…

High Energy Physics - Phenomenology · Physics 2015-06-15 Ana Julia Mizher

The dynamics of {\it light} fermions propagating in a spatial direction at high temperatures can be described effectively by a two--dimensional Schr\"odinger equation with {\it heavy} effective mass $m_{\rm eff} = \pi T$. Starting from QED,…

High Energy Physics - Phenomenology · Physics 2014-11-17 V. Koch , E. V. Shuryak , G. E. Brown , A. D. Jackson

Ground state properties of spinless, extended Falicov-Kimball model (FKM) on a finite size triangular lattice with orbital magnetic field normal to the lattice are studied using numerical diagonalization and Monte-Carlo simulation methods.…

Strongly Correlated Electrons · Physics 2016-11-23 Umesh K. Yadav

We study quarkonium spectral functions at high temperatures using potential model with complex potential. The real part of the potential is constrained by the lattice QCD data on static quark anti-quark correlation functions, while the…

High Energy Physics - Phenomenology · Physics 2010-12-21 C. Miao , A. Mocsy , P. Petreczky

The anisotropic Kondo necklace model in 2D and 3D is treated as a genuine model for magnetic to Kondo singlet quantum phase transitions in the heavy fermion (HF) compounds. The variation of the quantum critical point (QCP) with anisotropy…

Strongly Correlated Electrons · Physics 2018-02-02 P. Thalmeier , A. Langari

We calculate the energies of quarkonium bound states in the presence of a medium of nonzero isospin density using lattice QCD. The medium, created using a canonical (fixed isospin charge) approach, induces a reduction of the quarkonium…

High Energy Physics - Lattice · Physics 2020-09-17 William Detmold , Stefan Meinel , Zhifeng Shi

This review provides a comprehensive summary of results on the physics of strongly interacting matter in the presence of background electromagnetic fields, obtained via numerical lattice simulations of the underlying theory, Quantum…

High Energy Physics - Lattice · Physics 2025-01-08 Gergely Endrodi

We present the final results from a multi-year study of the in-medium spectral properties of heavy quarkonium bound states on the lattice. In this work we combine high statistics $N_f=2+1$ ensembles from the HotQCD collaboration with the…

High Energy Physics - Lattice · Physics 2019-03-07 Seyong Kim , Peter Petreczky , Alexander Rothkopf

The simultaneous observation of strong sequential suppression and small azimuthal anisotropy for bottomonium states provides a stringent constraint on the time scale and geometry of the suppression mechanism. We propose an early-time…

High Energy Physics - Phenomenology · Physics 2026-05-08 Yi Yang

We have investigated the ground state ($1S$), radially excited states ($2S$) and ($3S$) along with the orbitally excited state ($1P$) for the heavy charmonia ($c \bar c$) and bottomonia ($b \bar b$) mesons in the light-front quark model…

High Energy Physics - Phenomenology · Physics 2025-03-19 Ritwik Acharyya , Satyajit Puhan , Narinder Kumar , Harleen Dahiya

We studied the effect of a strong magnetic field ($B$) on the electrical conductivity of hot quark matter. The electrical conductivity is a key transport coefficient determining the time dependence and strength of magnetic fields generated…

High Energy Physics - Phenomenology · Physics 2021-01-04 Sabyasachi Ghosh , Aritra Bandyopadhyay , Ricardo L. S. Farias , Jayanta Dey , Gastão Krein

The idea of confinement states that in certain systems constituent particles can be discerned only indirectly being bound by an interaction whose strength increases with increasing particle separation. Though the most famous example is the…

Strongly Correlated Electrons · Physics 2009-12-06 B. Lake , A. M. Tsvelik , S. Notbohm , D. A. Tennant , T. G. Perring , M. Reehuis , C. Sekar , G. Krabbes , B. Büchner

The confinement of quarks in hadrons occurs due to formation of QCD string. At large separation between the quarks the QCD string breaks into pieces due to light quark-antiquark pair creation. We argue that there exist a critical background…

High Energy Physics - Phenomenology · Physics 2022-01-07 M. N. Chernodub

We use the linear sigma model with quarks to find the magnetic field-induced modifications to the neutral pion mass at one-loop level. The magnetic field effects are introduced by using charged particle propagators in the presence of a…

High Energy Physics - Phenomenology · Physics 2021-03-31 Alejandro Ayala , José Luis Hernández , L. A. Hernández , Ricardo L. S. Farias , R. Zamora

The principal purpose of meson spectroscopy is to understand the confining force, which is generally assumed to be based on low-energy QCD. This is usually done in the context of quark models that ignore the dynamical effects of quark-pair…

High Energy Physics - Phenomenology · Physics 2015-03-12 George Rupp , Eef van Beveren , Susana Coito

In this work, we use the thin-layer quantization procedure to study the physical implications due to curvature effects on a quantum dot in the presence of an external magnetic field. Among the various physical implications due to the…

Mesoscale and Nanoscale Physics · Physics 2019-11-25 Luis Fernando C. Pereira , Fabiano M. Andrade , Cleverson Filgueiras , Edilberto O. Silva

Recent interest in monolayer materials motivated a search for two-dimensional ferromagnets with sizable spin-orbit coupling. Magnetic anisotropy of exchange Hamiltonian, induced by spin-orbit coupling, may not only stabilize long-range…

Strongly Correlated Electrons · Physics 2025-08-08 Kaushal K. Kesharpu , Pavel A. Maksimov

The expressions for dynamical masses of quarks in the chiral limit in QCD in a strong magnetic field are obtained. A low energy effective action for the corresponding Nambu-Goldstone bosons is derived and the values of their decay constants…

High Energy Physics - Phenomenology · Physics 2009-11-07 V. A. Miransky , I. A. Shovkovy
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