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Several different transport processes, such as heat transport, momentum transport and charge transport, may take place at the same time in the quark-gluon plasma (QGP). The corresponding transport coefficients are heat conductivity, shear…

High Energy Physics - Phenomenology · Physics 2021-05-26 Bing-feng Jiang , Shao-wu Shi , De-fu Hou , Jia-rong Li

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,…

The second-order hydrodynamic equations for evolution of shear and bulk viscous pressure have been derived within the framework of covariant kinetic theory based on the effective fugacity quasiparticle model. The temperature-dependent…

High Energy Physics - Phenomenology · Physics 2021-09-22 Samapan Bhadury , Manu Kurian , Vinod Chandra , Amaresh Jaiswal

We apply the momentum integrated Boltzmann transport equation to study the time evolution of various quark flavours in the central region of ultra-relativistic heavy ion collisions. The effects of thermal masses for quarks and gluons are…

Nuclear Theory · Physics 2009-10-30 Jane Alam , Pradip Roy , Sourav Sarkar , Sibaji Raha , Bikash Sinha

We apply the Low's theorem to soft gluon emission from heavy quark scattering in the nonperturbative strongly interacting quark-gluon plasma (sQGP). The sQGP is described in terms of the dynamical quasi-particles and adjusted to reproduce…

Nuclear Theory · Physics 2023-02-22 Taesoo Song , Ilia Grishmanovskii , Olga Soloveva

We review the properties of energetic parton propagation in hot or cold QCD matter, as obtained in recent works. Advances in understanding the energy loss - collisional and radiative - are summarized, with emphasis on the latter: it…

High Energy Physics - Phenomenology · Physics 2009-10-31 R. Baier , D. Schiff , B. G. Zakharov

The Low's theorem is applied to the soft gluon emission from heavy quark scattering in quark-gluon plasma (QGP). The QGP is described by the dynamical quasi-particle model (DQPM) which reproduces the EoS from lQCD at finite temperature and…

High Energy Physics - Phenomenology · Physics 2023-07-19 Taesoo Song , Ilia Grishmanovskii , Olga Soloveva , Elena Bratkovskaya

We calculate the momentum diffusion coefficient for heavy quarks in SU(3) gluon plasma at temperatures 1-2 times the deconfinement temperature. The momentum diffusion coefficient is extracted from a Monte Carlo calculation of the…

High Energy Physics - Lattice · Physics 2012-11-13 Debasish Banerjee , Saumen Datta , Rajiv V. Gavai , Pushan Majumdar

We study the diffusion of heavy quarks in the Quark Gluon Plasma using the Langevin equations of motion and estimate the contribution of the transport peak to the Euclidean current-current correlator. We show that the Euclidean correlator…

High Energy Physics - Phenomenology · Physics 2009-11-11 Peter Petreczky , Derek Teaney

The validity of conventional Ohm's law is tested in the context of a rapidly evolving quark-gluon plasma produced in heavy-ion collisions. Here we discuss the electromagnetic response using an analytical solution in kinetic theory. As…

Nuclear Theory · Physics 2022-10-25 Igor A. Shovkovy

Heavy-flavor particles are believed to provide valuable probes of the medium produced in ultrarelativistic collisions of heavy nuclei. In this article we review recent progress in our understanding of the interactions of charm and bottom…

High Energy Physics - Phenomenology · Physics 2016-12-21 Ralf Rapp , Hendrik van Hees

We consider the quarkonium diffusion, dissociation and recombination inside quark-gluon plasma. We compute scattering amplitudes in potential nonrelativistic QCD for relevant processes. These processes include the gluon absorption/emission…

High Energy Physics - Phenomenology · Physics 2019-07-10 Xiaojun Yao , Berndt Müller

The study of transport coefficients of strongly interacting matter got impetus after the discovery of perfect fluid ever created at ultrarelativistic heavy ion collision experiments. In this article, we have calculated one such coefficient…

High Energy Physics - Phenomenology · Physics 2015-04-14 P. K. Srivastava , Lata Thakur , Binoy Krishna Patra

In these lectures, I will attempt a pedagogical and qualitative introduction to the theory of equilibrium and thermalization of quark-gluon plasmas. I assume only that the reader is familiar with quantum field theory at zero temperature and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Peter Arnold

We calculate the collisional energy loss and momentum diffusion coefficients of heavy quarks traversing a hot and dense QCD medium at finite quark chemical potential, $\mu\neq0$. The analysis is performed within an extended soft-hard…

High Energy Physics - Phenomenology · Physics 2025-12-02 Jiale Lou , Wu Wang , Jiazhen Peng , Fei Sun , Kejun Wu , Wei Xie , Zuman Zhang , Shuang Li , Sa Wang

We propose an extension of Light-Front Holographic QCD (LFHQCD) to investigate non-equilibrium real-time dynamics and transport properties of strongly coupled QCD matter. While LFHQCD has been successfully applied to hadronic spectroscopy…

High Energy Physics - Phenomenology · Physics 2025-06-17 Fidele J. Twagirayezu

We present an introductory review of the early time dynamics of high-energy heavy-ion collisions and the kinetics of high temperature QCD. The equilibration mechanisms in the quark-gluon plasma uniquely reflect the non-abelian and…

Nuclear Theory · Physics 2020-01-08 Soeren Schlichting , Derek Teaney

We compute the electrical conductivity ($ \sigma_{el} $) in the presence of constant and homogeneous external electromagnetic field for the static quark-gluon plasma (QGP) medium, which is among the important transport coefficients of QGP.…

High Energy Physics - Phenomenology · Physics 2019-10-29 Lata Thakur , P. K. Srivastava

By utilizing a background field effective theory, we compute the collisional energy loss of a heavy quark moving through a semiquark-gluon plasma characterized by nontrivial holonomy for Polyakov loops. We consider the elastic scatterings…

High Energy Physics - Phenomenology · Physics 2024-08-15 Qianqian Du , Mudong Du , Yun Guo

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