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Related papers: Transport coefficients in a finite volume Polyakov…

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The role of finite volume effects on the various transport coefficients of strongly interacting quark matter is analyzed in the Polyakov chiral SU(3) quark mean field model (PCQMF) at finite temperatures and chemical potentials…

High Energy Physics - Phenomenology · Physics 2025-01-28 Dhananjay Singh , Arvind Kumar

We analyze the transport properties of relativistic fluid composed of constituent quarks at finite temperature and density. We focus on the shear and bulk viscosities and study their behavior near chiral phase transition. We model the…

High Energy Physics - Phenomenology · Physics 2010-04-30 C. Sasaki , K. Redlich

We compute the transport coefficients, namely, the coefficients of shear and bulk viscosity as well as thermal conductivity for hot and dense quark matter. The calculations are performed within the Nambu- Jona Lasinio (NJL) model. The…

High Energy Physics - Phenomenology · Physics 2016-11-09 Paramita Deb , Guru Prakash Kadam , Hiranmaya Mishra

We have evaluated the transport coefficients of quark and hadronic matter in the frame work of Polyakov-Quark-Meson model. The thermal widths of quarks and mesons, which inversely control the strength of these transport coefficients, are…

Nuclear Theory · Physics 2018-12-18 Pracheta Singha , Aman Abhishek , Guru Kadam , Sabyasachi Ghosh , Hiranmaya Mishra

We compute the transport coefficients, namely, the coefficients of shear and bulk viscosities as well as thermal conductivity for hot and dense matter. The calculations are performed within the Polyakov loop extended quark meson model. The…

High Energy Physics - Phenomenology · Physics 2018-01-21 Aman Abhishek , Sabyasachi Ghosh , Hiranmaya Mishra

We have estimated parallel and perpendicular components of electrical conductivity and shear viscosity of quark matter at finite magnetic field and temperature by using their one-loop Kubo expressions in the framework of Nambu--Jona-Lasinio…

High Energy Physics - Phenomenology · Physics 2023-06-28 Aritra Bandyopadhyay , Snigdha Ghosh , Ricardo L. S. Farias , Sabyasachi Ghosh

We study finite volume effects within the Polyakov loop Nambu-Jona-Lasinio model for two light and one heavy quarks at vanishing baryon chemical potential and finite temperatures. We include three different Polyakov loop potentials and…

High Energy Physics - Phenomenology · Physics 2018-08-24 A. G. Grunfeld , G. Lugones

We calculate the shear $\eta(T)$ and bulk viscosities $\zeta(T)$ as well as the electric conductivity $\sigma_e(T)$ and heat conductivity $\kappa(T)$ within the Nambu-Jona-Lasinio model for 3 flavors as a function of temperature as well as…

High Energy Physics - Phenomenology · Physics 2015-06-17 Rudy Marty , Elena Bratkovskaya , Wolfgang Cassing , Jörg Aichelin , Hamza Berrehrah

We calculate the shear $\eta(T)$ and bulk viscosities $\zeta(T)$ as well as the electric conductivity $\sigma_e(T)$ and heat conductivity $\kappa(T)$ within the Nambu-Jona-Lasinio model for 3 flavors as a function of temperature as well as…

High Energy Physics - Phenomenology · Physics 2013-11-14 Rudy Marty , Elena Bratkovskaya , Wolfgang Cassing , Jörg Aichelin , Hamza Berrehrah

The Lagrangian for strongly interacting and rotating quark matter is modified with the inclusion of the spinorial connections, which in turn affect the thermodynamic equation of state and transport properties of the medium. In this work, we…

We have theoretically investigated the finite system size effect of hadronic matter on its transport coefficients like shear viscosity, bulk viscosity, and electrical conductivity. We have used a Hadron Resonance Gas (HRG) model to…

High Energy Physics - Phenomenology · Physics 2018-06-05 Subhasis Samanta , Sabyasachi Ghosh , Bedangadas Mohanty

The transport property of cold and dense nucleon matter is important for nuclear physics but is relatively less studied than that at finite temperatures. In this paper, we present a primary study of bulk and shear viscosities in the limit…

Nuclear Theory · Physics 2025-04-09 Jianing Li , Weiyao Ke

Role of different extensions of Nambu\textendash Jona-Lasinio (NJL) model like addition of vector interaction, Polyakov loop extended version (PNJL) and the entangled PNJL (EPNJL) models on transport coefficients like shear viscosity, bulk…

Nuclear Theory · Physics 2021-03-16 Chowdhury Aminul Islam , Jayanta Dey , Sabyasachi Ghosh

We have attempted to review on microscopic calculation of transport coefficients like shear and bulk viscosities in the framework of hadron resonance gas model, where a special attention is explored on the effect of finite system size. The…

Nuclear Theory · Physics 2019-11-01 Snigdha Ghosh , Subhasis Samanta , Sabyasachi Ghosh , Hiranmaya Mishra

Transport coefficients, such as the diffusion coefficient and shear viscosity, are important material properties that are calculated in computer simulations. In this study, the criterion for the best estimation of viscosity, as an example…

Computational Physics · Physics 2023-06-05 Xin Liu , Xuhong Guo , Qi Liao

We discuss a detailed study of the variation of shear viscosity, $\eta$, with temperature and baryon chemical potential within the framework of Polyakov$-$Nambu$-$Jona-Lasinio model. $\eta$ is found to depend strongly on the spectral width…

High Energy Physics - Phenomenology · Physics 2015-03-11 Sanjay K. Ghosh , Sibaji Raha , Rajarshi Ray , Kinkar Saha , Sudipa Upadhaya

The transport coefficient of shear viscosity is studied for a hadron matter through microscopic transport model, the Ultra--relativistic Quantum Molecular Dynamics (UrQMD), using the Green--Kubo formulas. Molecular--dynamical simulations…

Nuclear Theory · Physics 2009-11-10 Azwinndini Muronga

We present a non-extensive version of the Polyakov-Nambu-Jona-Lasinio model which is based on the non-extentive statistical mechanics. This new statistics is characterized by a dimensionless non-extensivity parameter $q$ that accounts for…

High Energy Physics - Phenomenology · Physics 2020-05-20 Ya-Peng Zhao

We compute the transport coefficients, namely, the coefficients of shear and bulk viscosities as well as thermal conductivity for hot and dense matter. The calculations are performed within the Polyakov quark meson model. The estimation of…

High Energy Physics - Phenomenology · Physics 2018-01-22 Aman Abhishek , Hiranmaya Mishra , Sabyasachi Ghosh

We study the thermodynamic and transport properties of hot and dense quantum chromodynamic matter expected to be produced in low-energy heavy-ion collisions, using three different effective quantum chromodynamic frameworks: the…

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