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We calculate the drag and diffusion coefficients in low temperature QED plasma and go beyond the leading order approximation. The non-Fermi-liquid behavior of these coefficients are clearly revealed. We observe that the subleading…

High Energy Physics - Phenomenology · Physics 2015-05-28 Sreemoyee Sarkar , Abhee K. Dutt-Mazumder

We present a calculation of the heavy quark momentum diffusion coefficients in a quark-gluon plasma under the presence of a strong external magnetic field, within the Lowest Landau Level (LLL) approximation. In particular, we apply the Hard…

High Energy Physics - Phenomenology · Physics 2022-07-26 Aritra Bandyopadhyay , Jinfeng Liao , Hongxi Xing

We discuss heavy-quark dynamics in the quark-gluon plasma under a strong magnetic field induced by colliding nuclei. By the use of the diagrammatic resummation techniques for Hard Thermal Loop and the external magnetic field, we show…

High Energy Physics - Phenomenology · Physics 2016-11-03 Koichi Hattori , Kenji Fukushima , Ho-Ung Yee , Yi Yin

We show that observing the trajectories of confined particles in a thermal equilibrium state yields an estimate on the free-space diffusion coefficient. For generic trapping potentials and interactions between particles, the estimate comes…

Statistical Mechanics · Physics 2019-10-22 Andreas Dechant

It is shown that the critical properties of a recently studied model for non-equilibrium wetting are robust if one extends the dynamic rules by single-particle diffusion on terraces of the wetting layer. Examining the behavior at the…

Statistical Mechanics · Physics 2016-08-16 S. Rössner , H. Hinrichsen

Jet quenching and more generally physics at high transverse momentum P_T scales is a cornerstone of the heavy-ion physics program at the LHC. In this work, the current understanding of jet quenching in terms of a QCD shower evolution being…

High Energy Physics - Phenomenology · Physics 2015-06-17 Thorsten Renk

We calculate open heavy-flavor (HF) transport in relativistic heavy-ion collisions by applying a strong-coupling treatment in both macro- and microscopic dynamics (hydrodynamics and non-perturbative diffusion interactions). The hydrodynamic…

Nuclear Theory · Physics 2012-08-02 Min He , Rainer J. Fries , Ralf Rapp

Transverse momentum correlation in azimuthal angle of produced hadrons due to mini-jets are studied first within the HIJING Monte Carlo model in high-energy heavy-ion collisions. Jet quenching in the early stage of thermalization is shown…

Nuclear Theory · Physics 2010-04-14 Long-gang Pang , Qun Wang , Xin-Nian Wang , Rong Xu

Several transport models have been employed in recent years to analyze heavy-flavor meson spectra in high-energy heavy-ion collisions. Heavy-quark transport coefficients extracted from these models with their default parameters vary,…

We study the interaction of a fast moving particle in the Quark Gluon Plasma with linearized hydrodynamics. We derive the linearized hydrodynamic equations on top of an expanding fireball, and detail the solutions for a static medium. There…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Casalderrey-Solana , E. V. Shuryak , D. Teaney

In this work, we investigate the momentum-dependent drag and diffusion coefficient of heavy quarks (HQs) moving in the quark-gluon plasma (QGP) background. The leading order scattering amplitudes required for this purpose have been obtained…

High Energy Physics - Phenomenology · Physics 2024-12-05 Sumit , Arghya Mukherjee , Najmul Haque , Binoy Krishna Patra

We derive diffusive macroscopic equations for the particle and energy density of a system whose time evolution is described by a kinetic equation for the one particle position and velocity function f(r,v,t) that consists of a part that…

Statistical Mechanics · Physics 2018-11-14 Pedro L. Garrido , Joel L. Lebowitz

We compute and study the drag force acting on a heavy quark propagating through the matter produced in the collision of two sheets of energy in a strongly coupled gauge theory that can be analyzed holographically. Although this matter is…

High Energy Physics - Phenomenology · Physics 2015-06-16 Paul M. Chesler , Mindaugas Lekaveckas , Krishna Rajagopal

We study the asymptotic behaviour of the transverse momentum broadening distribution of an energetic quark or gluon propagating through dense QCD matter, in the large system size $L$ limit, taking into account radiative corrections in the…

High Energy Physics - Phenomenology · Physics 2021-11-02 Paul Caucal

We study Coulomb drag between an active layer with a clean electron liquid and a passive layer with a pinned electron lattice in the regime of fast intralayer equilibration. Such a two-fluid system offers an experimentally realizable way to…

Strongly Correlated Electrons · Physics 2019-12-17 Tobias Holder

We determine the drag and the momentum diffusion coefficients of heavy fermion in dense plasma. It is seen that in degenerate matter drag coefficient at the leading order mediated by transverse photon is proportional to $(E-\mu)^2$ while…

High Energy Physics - Phenomenology · Physics 2014-11-21 Sreemoyee Sarkar , Abhee K. Dutt-Mazumder

The propagation of heavy quarks (HQs) in a medium was quite often modeled by the Fokker-Plank (FP) equation. Since the transport coefficients, related to drag and diffusion processes are the main ingredients in the FP equation, the…

High Energy Physics - Phenomenology · Physics 2017-06-06 P. K. Srivastava , Binoy Krishna Patra

In this article we investigate how the drag coefficient $A$ and $\hat{q}$, the transverse momentum transfer by unit length, of charm quarks are modified if the QGP is not in complete thermal equilibrium using the dynamical quasi-particle…

Nuclear Theory · Physics 2020-04-15 Taesoo Song , Pierre Moreau , Joerg Aichelin , Elena Bratkovskaya

Using a holographic QCD model augmented by Bayesian inference, we calculate key transport coefficients of the quark-gluon plasma (QGP)$\text{-}$including the drag force, jet quenching parameter, heavy quark diffusion coefficient, and shear…

High Energy Physics - Phenomenology · Physics 2026-01-21 Bing Chen , Liqiang Zhu , Xun Chen , Defu Hou , Xurong Chen

The diffusion coefficients of heavy quarks from the coherent color electromagnetic fields which are generated in the early stage of relativistic heavy-ion collisions are calculated at midrapidity, and compared with those obtained from…

Nuclear Theory · Physics 2015-12-18 Taesoo Song , Thomas Epelbaum