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Related papers: Viscous QCD medium effects on the bottom quark tra…

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The heavy quark drag and momentum diffusion coefficients in the presence of both the collisional and radiative processes have been studied in a hot viscous QCD medium. The thermal medium effects are incorporated by employing the effective…

High Energy Physics - Phenomenology · Physics 2021-08-18 Adiba Shaikh , Manu Kurian , Santosh K. Das , Vinod Chandra , Sadhana Dash , Basanta K. Nandi

The heavy quark collisional scattering on partons of the quark gluon plasma (QGP) is studied in a QCD medium at finite temperature and chemical potential. We evaluate the effects of finite parton masses and widths, finite temperature $T$…

High Energy Physics - Phenomenology · Physics 2015-05-11 H. Berrehrah , E. Bratkovskaya , W. Cassing , P. B. Gossiaux , J. Aichelin

The heavy-quark (HQ) transport coefficients have been estimated for a viscous quark-gluon plasma medium, utilizing a recently proposed quasi-particle description based on realistic QGP equation of state (EoS). Interactions entering through…

Nuclear Theory · Physics 2015-08-26 Santosh K. Das , Vinod Chandra , Jan-e Alam

We study the effect of shear and bulk viscosities on the heavy quark transport coefficient within the matrix model of semi QGP. Dissipative effects are incorporated through the first-order viscous correction in the quark/antiquark and gluon…

High Energy Physics - Phenomenology · Physics 2020-03-25 Balbeer Singh , Hiranmaya Mishra

The transport properties of the quark gluon plasma (QGP) are studied in a QCD medium at finite temperature and chemical potential. We calculate the shear viscosity $\eta(T,\mu_q)$ and the electric conductivity $\sigma_e(T,\mu_q)$ for a…

High Energy Physics - Phenomenology · Physics 2015-06-11 Hamza Berrehrah , Elena Bratkovskaya , Wolfgang Cassing , Rudy Marty

We extend our investigation of heavy quark transport coefficients in the effective dynamical quasiparticle model (DQPM) -- which reproduces nonperturbative QCD phenomena in the strongly interacting quark-gluon plasma (sQGP) according to…

High Energy Physics - Phenomenology · Physics 2025-07-08 Ilia Grishmanovskii , Taesoo Song , Carsten Greiner , Elena Bratkovskaya

We investigate the perturbative and non-perturbative aspects of heavy quark transport in a thermal QCD medium. Based on the Soft-Hard Factorized Model (SHFM), we extend the original perturbative framework to the near-critical temperature…

High Energy Physics - Phenomenology · Physics 2025-10-14 Jiazhen Peng , Jiale Lou , Fei Sun , Kejun Wu , Wei Xie , Zuman Zhang , Shuang Li , Sa Wang

Viscous modifications to the thermal distributions of quark-antiquarks and gluons have been studied in a quasi-particle description of the quark-gluon-plasma medium created in relativistic heavy ion collision experiments. The model is…

Nuclear Theory · Physics 2015-12-02 Vinod Chandra

The main focus of this article is to obtain various transport coefficients for a hot QCD medium that is produced while colliding two heavy nuclei ultra-relativistically. As the hot QCD medium follows dissipative hydrodynamics while…

Nuclear Theory · Physics 2017-11-15 Sukanya Mitra , Vinod Chandra

The response of electromagnetic (EM) fields that are produced in non-central heavy-ion collisions to electromagnetically charged quark gluon plasma can be understood in terms of charge transport and charge diffusion in the hot QCD medium.…

Nuclear Theory · Physics 2016-08-16 Sukanya Mitra , Vinod Chandra

We investigate the transport properties of the strongly interacting quark-gluon plasma (sQGP) by comparing the role of elastic and inelastic (radiative) processes in the sQGP medium within the effective dynamical quasi-particle model…

High Energy Physics - Phenomenology · Physics 2025-03-04 Ilia Grishmanovskii , Taesoo Song , Olga Soloveva , Carsten Greiner , Elena Bratkovskaya

In this article, shear viscosity, bulk viscosity, and thermal conductivity of a hot QCD medium have been studied in the presence of a strong magnetic field. To model the hot magnetized QCD matter, an extended quasi-particle description of…

Nuclear Theory · Physics 2019-02-19 Manu Kurian , Sukanya Mitra , Snigdha Ghosh , Vinod Chandra

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

An effective relativistic kinetic theory has been constructed for an interacting system of quarks, anti-quarks and gluons within a quasi-particle description of hot QCD medium at finite temperature and baryon chemical potential, where the…

Nuclear Theory · Physics 2018-03-07 Sukanya Mitra , Vinod Chandra

We evaluate drag and diffusion transport coefficients comparing a quasi-particle approximation with on-shell constituents of the QGP medium and a dynamical quasi-particles model with off-shell bulk medium at finite temperature T. We study…

High Energy Physics - Phenomenology · Physics 2020-12-30 Maria Lucia Sambataro , Salvatore Plumari , Vincenzo Greco

The impact of momentum anisotropy on the heavy quark transport coefficients due to collisional and radiative processes in the QCD medium has been studied within the ambit of kinetic theory. Anisotropic aspects (momentum) are incorporated…

High Energy Physics - Phenomenology · Physics 2021-05-14 Jai Prakash , Manu Kurian , Santosh K. Das , Vinod Chandra

We revisit the transport coefficients of heavy quarkonia moving in high-temperature QCD plasmas. The thermal width and mass shift for heavy quarkonia are closely related to the momentum diffusion coefficient and its dispersive counterpart…

High Energy Physics - Phenomenology · Physics 2022-08-08 Juhee Hong , Su Houng Lee

The drag and diffusion coefficients of charm and bottom quarks propagating through quark gluon plasma (QGP) have been evaluated within the framework of perturbative Quantum Chromodynamics (pQCD). Both radiative and collisional processes of…

Nuclear Theory · Physics 2012-02-08 Santosh K Das , Jan-e Alam

Transport properties of a thermal medium determine how its conserved charge densities (for instance the electric charge, energy or momentum) evolve as a function of time and eventually relax back to their equilibrium values. Here the…

High Energy Physics - Lattice · Physics 2015-03-19 Harvey B. Meyer

The effects of gluon radiation by charm quarks on the transport coefficients {\it e.g.} drag, longitudinal and transverse diffusion and shear viscosity have been studied within the ambit of perturbative quantum chromodynamics (pQCD) and…

Nuclear Theory · Physics 2014-01-08 Surasree Mazumder , Trambak Bhattacharyya , Jan-e Alam
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