65 citations · 938 across the 59 of their papers we have counts for
35 papers · 1 filter
Finite size effect on Dissociation and Diffusion of chiral partners in Nambu-Jona-Lasinio model
Paramita Deb, Sabyasachi Ghosh, Jai Prakash +2
Along with masses of pion and sigma meson modes, their dissociation into quark medium provide a detail spectral structures of the chiral partners. Present article has studied a fin…
Anisotropic transport properties of Hadron Resonance Gas in magnetic field
Ashutosh Dash, Subhasis Samanta, Jayanta Dey +3
An intense transient magnetic field is produced in high energy heavy-ion collisions mostly due to the spectator protons inside the two colliding nucleus. The magnetic field introdu…
Effect of magnetic screening mass on the diffusion of heavy quarks
Mahfuzur Rahaman, Santosh K. Das, Jan-e Alam +1
The drag and diffusion coefficients of heavy quarks propagating through quark gluon plasma (QGP) have been estimated by shielding both the electric and magnetic type infra-red dive…
Collisional time and shear relaxation time for interacting QGP
Ankit Anand, Souvik Paul, Sarthak Satapathy +1
We have studied the collisional time and relaxation time of a QGP(Quark-Gluon Plasma) by parameterizing them by temperature. From this parameterization we have obtained the decay r…
Mapping QGP interaction through its temperature dependent degeneracy factor
Ranjesh Kumar, Ankit Anand, Souvik Paul +2
We have parameterized the degeneracy factor in terms of temperature and using this we have tried to compare and study the LQCD(Lattice Quantum Chromodynamics) data with our data.
Impact of different extended components of mean field models on transport coefficients of quark matter and their causal aspects
Chowdhury Aminul Islam, Jayanta Dey, Sabyasachi Ghosh
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)…
Transport responses from rate of decay and scattering processes in the Nambu--Jona-Lasinio model
Sabyasachi Ghosh, Fernando E. Serna, Aman Abhishek +2
We have calculated quark and anti-quark relaxation time by considering different possible elastic and inelastic scatterings in the medium. Comparative role of these elastic and ine…
Bulk viscosity coefficient of hadronic matter
Sabyasachi Ghosh, Sandeep Chatterjee, Bedangadas Mohanty
The bulk viscosity coefficient of hadronic matter has been estimated in this present work, where the thermodynamical equilibrium quantity like speed of sound in the medium has been…
Transport coefficients in a finite volume Polyakov--Nambu--Jona-Lasinio model
Kinkar Saha, Sabyasachi Ghosh, Sudipa Upadhaya +1
Finite size consideration of matter significantly affects transport coefficients like shear viscosity, bulk viscosity, electrical conductivity, which we have investigated here in t…
Contribution of Kaon component in viscosity and conductivity of hadronic medium
Mahfuzur Rahaman, Snigdha Ghosh, Sabyasachi Ghosh +2
The two-point correlation functions of kaonic viscous stress tensors and electro-magnetic currents have been calculated respectively to estimate the contributions of the strange se…
Calculations of Shear, Bulk viscosities and Electrical conductivity in Polyakov-Quark-Meson model
Pracheta Singha, Aman Abhishek, Guru Kadam +2
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…
Bulk viscosity for pion and nucleon thermal fluctuation in the hadron resonance gas model
Sabyasachi Ghosh, Sandeep Chatterjee, Bedangdas Mohanty
We have calculated microscopically bulk viscosity of hadronic matter, where equilibrium thermodynamics for all hadrons in medium are described by Hadron Resonance Gas (HRG) model.…
Electrical conductivity of hadronic matter from different possible mesonic and baryonic thermal fluctuations
Sabyasachi Ghosh
Electromagnetic current-current correlators in pionic and nucleonic medium have been evaluated in the static limit to obtain electrical conductivities for pion and nucleon componen…
Mesonic Decay of Charm Hypernuclei
Sabyasachi Ghosh, Carlos E. Fontoura, Gastão Krein
hypernuclei are expected to have binding energies and other properties similar to those of strange hypernuclei in view of the similarity between the quark structures of the…
Thermal conductivity of hot pionic medium due to pion self-energy for and loops
Sabyasachi Ghosh
The thermal conductivity of pionic medium has been evaluated with the help of its standard expression from the relaxation time approximation, where inverse of pion relaxation time…
Shear viscosity of pionic and nucleonic components from their different possible mesonic and baryonic thermal fluctuations
Sabyasachi Ghosh
Owing to the Kubo relation, the shear viscosities of pionic and nucleonic components have been evaluated from their corresponding retarded correlators of viscous stress tensor in t…
Shear and Bulk Viscosities of Quark Matter from Quark-Meson Fluctuations in the Nambu--Jona-Lasinio model
Sabyasachi Ghosh, Thiago C. Peixoto, Victor Roy +2
We have calculated the temperature dependence of shear and bulk viscosities of quark matter due to quark-meson fluctuations. The quark thermal width originating from quantu…
The nucleon thermal width due to pion-baryon loops and its contribution in Shear viscosity
Sabyasachi Ghosh
In the real-time thermal field theory, the standard expression of shear viscosity for the nucleonic constituents is derived from the two point function of nucleonic viscous stress…
Low mass enhanced probability of pion in hadronic matter due to its Landau cut contributions
Sabyasachi Ghosh
In the real-time thermal field theory, the pion self-energy at finite temperature and density is evaluated where the different mesonic and baryonic loops are considered. The intera…
A comparative analysis of in-medium spectral functions for and in real-time thermal field theory
Sabyasachi Ghosh
In the real-time thermal field theory, the nucleon self-energy at finite temperature and density is evaluated where an extensive set of pion-baryon () loops are considered. On…
Diffusion of hidden charm mesons in hadronic medium
Sukanya Mitra, Sabyasachi Ghosh, Santosh K. Das +2
The drag and diffusion coefficients of a hot hadronic medium have been evaluated by using hidden charm mesons as probes. The matrix elements for the evaluation of these coefficient…
Diffusion of in hot hadronic medium and its impact on ratio
Sabyasachi Ghosh, Santosh K. Das, Vincenzo Greco +2
The drag and diffusion coefficients of the MeV) have been evaluated in the hadronic medium which is expected to be formed in the later stages of the evolving fire ball p…
A real-time thermal field theoretical analysis of Kubo-type shear viscosity : Numerical understanding with simple examples
Sabyasachi Ghosh
A real-time thermal field theoretical calculation of shear viscosity has been described in the Kubo formalism for bosonic and fermionic medium. The two point function of viscous st…
Shear viscosity of pion gas due to and interactions
Sabyasachi Ghosh, Gastão Krein, Sourav Sarkar
We have evaluated the shear viscosity of pion gas taking into account its scattering with the low mass resonances, and during propagation in the medium. The thermal width (…