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Related papers: Heavy meson dissociation in a plasma with magnetic…

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We analyse mesons at finite temperature in a chiral, confining string dual. The temperature dependence of low-spin as well as high-spin meson masses is shown to exhibit a pattern familiar from the lattice. Furthermore, we find the…

High Energy Physics - Theory · Physics 2008-11-26 Kasper Peeters , Jacob Sonnenschein , Marija Zamaklar

The effects of high-temperature, dense systems, and strong magnetic fields on Quantum Chromodynamics related phenomena are studied in different perspectives: in the high-temperature and densities, the QCD-phase diagram from the Linear Sigma…

High Energy Physics - Phenomenology · Physics 2021-06-14 Jorge David Castaño-Yepes

Collisions between nuclei at ultrarelativistic energies produce a color-deconfined plasma that expands explosively and rapidly reverts to the color-confined (hadronic) state. In non-central collisions, the zone of hot matter is transversely…

Nuclear Theory · Physics 2011-06-10 M. A. Lisa , E. Frodermann , G. Graef , M. Mitrovski , E. Mount , H. Petersen , M. Bleicher

The experimentally observed spectra of heavy vector meson radial excitations show a dependence on two different energy parameters. One is associated with the quark mass and the other with the binding energy levels of the quark anti-quark…

High Energy Physics - Theory · Physics 2016-09-16 Nelson R. F. Braga , M. A. Martin Contreras , Saulo Diles

The ultimate aim of high energy heavy ion collisions is to study quark deconfinement and the quark-gluon plasma predicted by quantum chromodynamics. This requires the identification of observables calculable in QCD and measurable in heavy…

High Energy Physics - Phenomenology · Physics 2015-06-17 Helmut Satz

Lattice data for the QCD equation of state and the magnetic susceptibility computed near the crossover transition at zero magnetic field are used to determine the input parameters of a five dimensional Einstein-Maxwell-Dilaton holographic…

High Energy Physics - Theory · Physics 2016-02-11 Romulo Rougemont , Renato Critelli , Jorge Noronha

Since holography yields exact results, even in situations where perturbation theory is not applicable, it is an ideal framework for modeling strongly correlated systems. We extend previous holographic methods to take the dynamical charge…

High Energy Physics - Theory · Physics 2018-12-26 Ulf Gran , Marcus Tornsö , Tobias Zingg

We investigate the dissociation of a heavy meson in the medium composed of light quarks and gluons. In the quark-gluon plasma, the dissociation length of the heavy meson becomes short as the temperature or quark chemical potential…

High Energy Physics - Phenomenology · Physics 2010-04-06 Chanyong Park

We study the thermodynamic properties of a partially ionized hydrogen plasma in strong magnetic fields, B ~ 10^{12}-10^{13} G, typical of neutron stars. The properties of the plasma depend significantly on the quantum-mechanical sizes and…

Astrophysics · Physics 2007-05-23 A. Y. Potekhin , G. Chabrier , Yu. A. Shibanov

A solution to the Boltzmann equation is obtained for a magnetized plasma with strongly degenerate nonrelativistic electrons and nondegenerate nuclei. The components of the diffusion, thermal diffusion and diffusion thermoeffect tensors in a…

High Energy Astrophysical Phenomena · Physics 2019-02-05 G. S. Bisnovatyi-Kogan , M. V Glushikhina

We study the holographic light meson spectra and their mass splitting in the nuclear medium. In order to describe the nuclear matter, we take into account the thermal charged AdS geometry with two flavor charges, which can be reinterpreted…

High Energy Physics - Theory · Physics 2015-06-16 Bum-Hoon Lee , Shahin Mamedov , Siyoung Nam , Chanyong Park

Magnetic fields play a role in the dynamics of many astrophysical processes, but they are hard to detect. In a partially ionized plasma, a magnetic field works directly on the ionized medium but not on the neutral medium, which gives rise…

Solar and Stellar Astrophysics · Physics 2020-06-24 Boy Lankhaar , Wouter Vlemmings

Using holography, we analyse deep inelastic scattering of a flavor current from a strongly coupled quark-gluon plasma with a background magnetic field. The aim is to show how the magnetic field affects the partonic picture of the plasma.…

High Energy Physics - Theory · Physics 2018-03-12 Majid Dehghani

The new statistical approach for calculation of radiation processes with heavy multielectron ions in plasma is developed. The method consists in consideration of atomic structure as a condensed medium, characterized by the spectrum of…

The formation of macroscopic reconnected magnetic structures (islands) have been observed in advanced experiments on weakly collisional, well confined plasmas while established theories of the drift-tearing modes, which depend strongly on…

Plasma Physics · Physics 2017-08-23 B. Coppi

We study properties of neutral and charged mesons in strong magnetic fields |eB|>> Lambda_QCD^2 with Lambda_QCD being the QCD renormalization scale. Assuming long-range interactions, we examine magnetic-field dependences of various…

High Energy Physics - Phenomenology · Physics 2016-04-07 Koichi Hattori , Toru Kojo , Nan Su

In holographic models of gauge theories with matter, there generically exists a first order phase transition in which mesons dissociate. We perform a careful analysis of the meson and quasi-particle spectra in the overheated resp.…

High Energy Physics - Theory · Physics 2014-11-18 Angel Paredes , Kasper Peeters , Marija Zamaklar

It has recently been proposed that the extra dimension in holographic models for charmoniun is related to its internal structure. Representing the interaction between the quark anti-quark pair by a string inside the background used in these…

High Energy Physics - Phenomenology · Physics 2025-05-07 Nelson R. F. Braga , William S. Cunha , Yan F. Ferreira

Peripheral collisions of heavy ions can give rise to extremely intense magnetic fields. It has been suggested that these fields might invalidate the holographic description of the corresponding quark-gluon plasmas, assuming that these can…

High Energy Physics - Theory · Physics 2017-04-05 Brett McInnes , Yen Chin Ong