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Related papers: Heavy Quark Diffusion in Strongly Coupled Anisotro…

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The unbiased thermal diffusion of an overdamped Brownian particle in a square lattice potential is considered in the presence of an externally applied ac driving. The resulting diffusion matrix exhibits two orthogonal eigenvectors with…

Statistical Mechanics · Physics 2012-03-22 David Speer , Ralf Eichhorn , Peter Reimann

This study examines the transverse and longitudinal properties of hard disks confined in narrow channels. Employing an exact mapping of the system onto a one-dimensional polydisperse, nonadditive mixture of hard rods with equal chemical…

Soft Condensed Matter · Physics 2024-08-13 Ana M. Montero , Andrés Santos

In the early stages of relativistic heavy-ion collisions, the momentum distribution of the quark-gluon plasma is anisotropic, leading to instabilities in the system due to chromomagnetic plasma modes. In this work, we consider the…

High Energy Physics - Phenomenology · Physics 2025-06-03 Sumit , Jai Parkash , Santosh K. Das , Najmul Haque

The hard-loop resummed propagator in an anisotropic QCD plasma in general linear gauges are computed. We get the explicit expressions of the gluon propagator in covariant gauge, Coulomb gauge and temporal axial gauge. Considering one gluon…

High Energy Physics - Phenomenology · Physics 2014-11-18 Yun Guo

Kinetic instabilities in weakly collisional, high beta plasmas are investigated using two-dimensional hybrid expanding box simulations with Coulomb collisions modeled through the Langevin equation (corresponding to the Fokker-Planck one).…

Plasma Physics · Physics 2019-02-20 Petr Hellinger , Pavel M. Travnicek

We use (3+1)-dimensional hydrodynamics with exact longitudinal boost-invariance to study the influence of collision centrality and initial energy density on the transverse flow pattern and the angular distributions of particles emitted near…

High Energy Physics - Phenomenology · Physics 2009-10-09 Peter F. Kolb , Josef Sollfrank , Ulrich Heinz

The jet quenching parameter of an anisotropic plasma depends on the relative orientation between the anisotropic direction, the direction of motion of the parton, and the direction along which the momentum broadening is measured. We…

High Energy Physics - Theory · Physics 2012-09-18 Mariano Chernicoff , Daniel Fernandez , David Mateos , Diego Trancanelli

Stochastic dynamics play a central role in strongly coupled phenomena. We present and review a theory independent approach in holography to study such phenomena. We firstly argue that the heavy quark diffusion occurs in realistic strongly…

High Energy Physics - Theory · Physics 2018-05-24 Dimitrios Giataganas

Results from an energy loss model that includes thermal fluctuations in the energy loss for heavy quarks in a strongly-coupled plasma are shown to be qualitatively consistent with single particle data from both RHIC and LHC. The model used…

High Energy Physics - Phenomenology · Physics 2015-04-22 W. A. Horowitz

By applying a Bayesian model-to-data analysis, we estimate the temperature and momentum dependence of the heavy quark diffusion coefficient in an improved Langevin framework. The posterior range of the diffusion coefficient is obtained by…

Nuclear Theory · Physics 2018-01-31 Yingru Xu , Marlene Nahrgang , Shanshan Cao , Jonah E. Bernhard , Steffen A. Bass

Enhanced diffusion, which describes the accelerated spread of passive scalars due to the interaction between advection and molecular diffusion, has been extensively studied in simplified geometries, such as uniform shear and radial flows.…

Analysis of PDEs · Mathematics 2024-11-04 Rômulo Damasclin Chaves dos Santos , Jorge Henrique de Oliveira Sales

We study the real part of the static potential of a heavy quark-antiquark system in an anisotropic plasma medium. We use a quasi-particle approach where the collective dynamics of the plasma constituents is described using hard-loop…

High Energy Physics - Phenomenology · Physics 2024-05-10 Margaret E. Carrington , Gabor Kunstatter , Arghya Mukherjee

We consider the diffusion of a non-relativistic heavy quark of fixed mass M, in a one-dimensionally expanding and strongly coupled plasma using the AdS/CFT duality. The Green's function constructed around a static string embedded in a…

High Energy Physics - Theory · Physics 2008-11-26 Keun-Young Kim , Sang-Jin Sin , Ismail Zahed

Fluctuations in the initial transverse energy-density distribution lead to anisotropic flows as observed in central high-energy heavy-ion collisions. Studies of longitudinal fluctuations of the anisotropic flows can shed further light on…

Nuclear Theory · Physics 2015-04-24 Long-Gang Pang , Guang-You Qin , Victor Roy , Xin-Nian Wang , Guo-Liang Ma

Inertia does not generally affect the long-time diffusion of passive overdamped particles in fluids. Yet a model starting from the Langevin equation predicts a surprising property of particles coated with ligands, that bind reversibly to…

Soft Condensed Matter · Physics 2022-10-05 Sophie Marbach , Miranda Holmes-Cerfon

We calculate the probability distribution $P({\bf k})$ for a heavy quark with velocity $v$ propagating through strongly coupled $\mathcal{N}=4$ SYM plasma in the 't Hooft limit at a temperature $T$ to acquire a momentum ${\bf k}$ due to…

High Energy Physics - Phenomenology · Physics 2025-08-01 Krishna Rajagopal , Bruno Scheihing-Hitschfeld , Urs Achim Wiedemann

A Langevin equation of heavy quarks in high-temperature quark-gluon plasma is derived. The dynamics of heavy quark color is coupled with the phase space dynamics and causes a macroscopic superposition state of heavy quark momentum.…

Nuclear Theory · Physics 2015-10-23 Yukinao Akamatsu

The dynamics of heavy quarks within the hot QCD medium have been revisited, considering the influence of anomalous diffusion. This study has been conducted using the framework of the fractional Langevin equation involving the Caputo…

High Energy Physics - Phenomenology · Physics 2024-06-11 Jai Prakash

We assess transport properties of heavy quarks in the Quark-Gluon Plasma (QGP) using static heavy-quark (HQ) potentials from lattice-QCD calculations in a Brueckner many-body T-matrix approach to evaluate elastic heavy-quark-light-quark…

High Energy Physics - Phenomenology · Physics 2009-07-22 H. van Hees , M. Mannarelli , Vincenzo Greco , Ralf Rapp

We study the energy loss of a rotating infinitely massive quark moving, at constant velocity, through an anisotropic strongly-coupled N=4 plasma from holography. It is shown that, similar to the isotropic plasma, the energy loss of the…

High Energy Physics - Theory · Physics 2015-06-05 Kazem Bitaghsir Fadafan , Hesam Soltanpanahi