226 citations · 1.5k across the 45 of their papers we have counts for
35 papers · 1 filter
Consistent approach to study gluon quasi-particles
Chowdhury Aminul Islam, Munshi G. Mustafa, Rajarshi Ray +1
We discuss a novel approach to estimate the partition function in effective model frameworks when the effective potentials have multiple extrema, so that ascertaining a mean field…
A Beyond Mean Field Approach to Yang-Mills Thermodynamics
Pracheta Singha, Rajarshi Ray, Chowdhury Aminul Islam +1
We propose a beyond mean field approach to evaluate Yang-Mills thermodynamics from the partition function with n-body gluon contribution, in the presence of a uniform background Po…
Modified Excluded Volume Hadron Resonance Gas Model with Lorentz Contraction
Somenath Pal, Abhijit Bhattacharyya, Rajarshi Ray
In this work we discuss a modified version of Excluded Volume Hadron Resonance Gas model and also study the effect of Lorentz contraction of the excluded volume on scaled pressure…
Finite temperature properties of a modified PolyakovNambuJona-Lasinio model
Abhijit Bhattacharyya, Paramita Deb, Sanjay K. Ghosh +5
Thermodynamic properties of strongly interacting matter are investigated using the Polyakov loop enhanced NambuJona-Lasinio model along with some modifications to include the ha…
Systematics of chemical freeze-out parameters in heavy-ion collision experiments
Sumana Bhattacharyya, Deeptak Biswas, Sanjay K. Ghosh +2
We discuss systematic uncertainties in the chemical freeze-out parameters from the analysis of hadron multiplicity ratios in the heavy-ion collision experiments. The systemat…
Thermodynamics of strongly interacting matter in a hybrid model
Abhijit Bhattacharyya, Sanjay K. Ghosh, Soumitra Maity +5
The equation of state and fluctuations of conserved charges in a strongly interacting medium under equilibrium conditions form the baseline upon which various possible scenarios in…
Reparametrizing the PolyakovNambuJona-Lasinio model
Abhijit Bhattacharyya, Sanjay K. Ghosh, Soumitra Maity +4
The PolyakovNambuJona-Lasinio model has been quite successful in describing various qualitative features of observables for strongly interacting matter, that are measurable i…
Polyakov--Nambu--Jona-Lasinio model in finite volumes
Abhijit Bhattacharyya, Sanjay K. Ghosh, Rajarshi Ray +2
We discuss the 2+1 flavor Polyakov loop enhanced Nambu--Jona-Lasinio model in a finite volume. The main objective is to check the volume scaling of thermodynamic observables for va…
Exploring effects of magnetic field on the Hadron Resonance Gas
Abhijit Bhattacharyya, Sanjay K. Ghosh, Rajarshi Ray +1
We present a study of the effects of magnetic fields on fluctuations and correlations in hadron resonance gas model. We find significant changes in the fluctuations of net baryon n…
Thermodynamics and fluctuations of conserved charges in Hadron Resonance Gas model in finite volume
Abhijit Bhattacharyya, Rajarshi Ray, Subhasis Samanta +1
The thermodynamics of hot and dense matter created in heavy-ion collision experiments are usually studied as a system of infinite volume. Here we report on possible effects for con…
Fluctuation of strongly interacting matter in Polyakov Nambu Jona-Lasinio model in finite volume
Abhijit Bhattacharyya, Rajarshi Ray, Subrata Sur
We have estimated the susceptibilities of conserved charges for 2-flavor strongly interacting matter with varying system sizes, using the Polyakov loop enhanced Nambu Jona-Lasinio…
Shear Viscosity and Phase Diagram from PolyakovNambuJona-Lasinio model
Sanjay K. Ghosh, Sibaji Raha, Rajarshi Ray +2
We discuss a detailed study of the variation of shear viscosity, , with temperature and baryon chemical potential within the framework of PolyakovNambuJona-Lasinio model.…
Quark Number Susceptibility : Revisited with Fluctuation-Dissipation Theorem in mean field theories
Sanjay K. Ghosh, Anirban Lahiri, Sarbani Majumder +3
Fluctuations of conserved quantum numbers are associated with the corresponding susceptibilities because of the symmetry of the system. The underlying fact is that these fluctuatio…
Fluctuations and correlations of conserved charges in an excluded volume hadron resonance gas model
Abhijit Bhattacharyya, Supriya Das, Sanjay K. Ghosh +2
We present temperature () and baryonic chemical potential () dependence of higher order fluctuations and correlation between conserved charges in Excluded Volume Hadron Res…
Entropy scaling from chaotically produced particles in p-p collisions at LHC energies
Supriya Das, Sanjay K. Ghosh, Sibaji Raha +1
Scaling of information entropy obtained from chaotically produced particles in p-p collisions, has been shown to be valid up to the highest available collision energy at LHC. Resul…
Net Charge Fluctuations as a signal of QGP from Polyakov-Nambu-Jona-Lasinio model
Abhijit Bhattacharyya, Supriya Das, Sanjay K. Ghosh +4
We report the first model study of the net charge fluctuations in terms of D-measure within the framework of the Polyakov-Nambu-Jona-Lasinio model. Net charge fluctuation is estima…
Isospin symmetry breaking and baryon-isospin correlations from PolyakovNambuJona-Lasinio model
Abhijit Bhattacharyya, Sanjay K. Ghosh, Anirban Lahiri +3
We present a study of the 1+1 flavor system of strongly interacting matter in terms of the PolyakovNambuJona-Lasinio model. We find that though the small isospin symmetry bre…
Thermodynamic Properties of Strongly Interacting Matter in a Finite Volume using the Polyakov-Nambu-Jona-Lasinio model
Abhijit Bhattacharyya, Paramita Deb, Sanjay K. Ghosh +2
We present the thermodynamic properties of strongly interacting matter in finite volume in the framework of Polyakov loop enhanced NambuJona-lasinio model within mean field appr…
The consequences of SU(3) colorsingletness, Polyakov Loop and Z(3) symmetry on a quark-gluon gas
Chowdhury Aminul Islam, Raktim Abir, Munshi G. Mustafa +2
Based on quantum statistical mechanics we show that the color singlet ensemble of a quark-gluon gas exhibits a symmetry through the normaized character in fundamenta…
Study of Beta Equilibrated 2+1 Flavor Quark Matter in PNJL Model
Abhijit Bhattacharyya, Sanjay K. Ghosh, Sarbani Majumder +1
We report a first case study of the phase diagram of 2+1 flavor strongly interacting matter in equilibrium, using the PolyakovNambuJona-Lasinio model. Physical characteri…
Entropy scaling and thermalization in hadron-hadron collisions at LHC
Supriya Das, Sanjay K. Ghosh, Sibaji Raha +1
The recent LHC data have once more brought the issue of the formation of thermalized state of matter in hadron-hadron collisions into the forefront. In this letter, we have shown t…
QCD phase diagram using PNJL model with eight-quark interactions
Paramita Deb, Abhijit Bhattacharyya, Sanjay K. Ghosh +2
We present the phase diagram and the fluctuations of different conserved charges like quark number, charge and strangeness at vanishing chemical potential for the 2+1 flavor Polyak…
Susceptibilities with multi-quark interactions in PNJL model
Abhijit Bhattacharyya, Paramita Deb, Anirban Lahiri +1
We have investigated the fluctuations and the higher order susceptibilities of quark number, isospin number, electric charge and strangeness at vanishing chemical potential for 2+1…
Investigation of Phase Diagram and Bulk Thermodynamic Properties using PNJL Model with Eight-Quark Interactions
Abhijit Bhattacharyya, Paramita Deb, Sanjay K. Ghosh +1
We present the bulk thermodynamic properties and phase diagram of strongly interacting matter in an extension of the 3-flavor NJL and PNJL models of QCD. Using a three momentum cut…