144 citations · 508 across the 27 of their papers we have counts for
21 papers · 1 filter
Diffusion of multiple conserved charges from entropy production
Samapan Bhadury, Arpan Das, Sandeep Chatterjee +1
We derive dissipative relativistic hydrodynamic equations in the presence of multiple conserved charges, i.e., baryon number (), electric charge (), and strangeness (), us…
Hyperon longitudinal polarization and vector meson spin alignment in a thermal model for heavy-ion collisions
Soham Banerjee, Samapan Bhadury, Wojciech Florkowski +2
The concept of a common local spin equilibrium for both spin-1/2 and spin-1 particles is incorporated into a thermal model of particle production in heavy-ion collisions at the top…
Nonlinear causality and stability of perfect spin hydrodynamics and its nonperturbative character
Samapan Bhadury, Zbigniew Drogosz, Wojciech Florkowski +2
Four formulations of perfect spin hydrodynamics for spin-1/2 particles, distinguished by their treatment of spin (classical vs. quantum) and by the underlying particle statistics (…
Quarkonium in a QCD medium with momentum-dependent relaxation time
Sunny Kumar Singh, Samapan Bhadury, Ritesh Ghosh +1
In this study, we explore the properties of quarkonia in a hot QCD medium using a newly proposed collision kernel that consistently incorporates the particle's momentum dependence…
Spin hydrodynamics -- recent developments
Samapan Bhadury, Zbigniew Drogosz, Wojciech Florkowski +1
After briefly touching on relativistic hydrodynamics, we provide a detailed description of recent developments in spin hydrodynamics. We discuss the theory of perfect spin hydrodyn…
Local equilibrium Wigner function for spin-1/2 particles
Samapan Bhadury, Zbigniew Drogosz, Wojciech Florkowski +2
Formal connections between the spin density matrix and the Wigner function for spin-1/2 particles forming a relativistic gas are explored to determine their general structures. The…
Quasi-particle hydrodynamics with momentum-dependent relaxation time
Arghya Mukherjee, Samapan Bhadury, Pracheta Singha
We formulate the relativistic dissipative hydrodynamics of a system of quasi-particles from the Boltzmann equation within the ambit of relaxation time approximation with modified c…
Exact Wigner function for chiral spirals
Samapan Bhadury, Wojciech Florkowski, Sudip Kumar Kar +1
The exact solution of the Dirac equation for fermions coupled to an external periodic chiral condensate (chiral spiral) is used to obtain the exact formula for the Wigner function…
Relativistic spin hydrodynamics from novel relaxation time approximation
Samapan Bhadury
With the help of a semi-classical kinetic theory, a new collision kernel is proposed, which simultaneously conserves the energy-momentum tensor and the spin tensor of a relativisti…
Particle number diffusion in second-order relativistic dissipative hydrodynamics with momentum-dependent relaxation time
Sunny Kumar Singh, Samapan Bhadury, Manu Kurian +1
This article explores particle number diffusion in relativistic hydrodynamics using kinetic theory with a modified collision kernel that incorporates the momentum dependence of the…
Energy-momentum correlators of fermions at finite temperature and density
Sourav Dey, Samapan Bhadury, Wojciech Florkowski +2
Equal-time commutators of different components of the energy-momentum tensor at spatially separated points are calculated for a relativistic quantum Fermi gas at finite temperature…
Relativistic spin hydrodynamics with momentum and spin-dependent relaxation time
Samapan Bhadury
Using the extended relaxation time approximation (ERTA) along with the theory of semi-classical spin, we develop a framework of relativistic dissipative spin hydrodynamics such tha…
Longitudinal spin polarization in a thermal model with dissipative corrections
Soham Banerjee, Samapan Bhadury, Wojciech Florkowski +2
In this work, we address the problem of longitudinal spin polarization of the hyperons produced in relativistic heavy-ion collisions. We combine a relativistic kinetic-theory f…
Relativistic magnetohydrodynamics with spin
Samapan Bhadury, Wojciech Florkowski, Amaresh Jaiswal +2
In this work, we present a novel framework of relativistic non-resistive dissipative magnetohydrodynamics for spin-polarized particles. Utilizing a classical relativistic kinetic e…
Polarization of spin-1/2 particles with effective spacetime dependent masses
Samapan Bhadury, Arpan Das, Wojciech Florkowski +2
Semiclassical expansion of the Wigner function for spin-1/2 fermions having an effective spacetime-dependent mass is used to analyze spin-polarization effects. The existing framewo…
New Developments in Relativistic Fluid Dynamics with spin
Samapan Bhadury, Jitesh Bhatt, Amaresh Jaiswal +1
In this work, we briefly review the progress made in the formulation of hydrodynamics with spin with emphasis on the application to the relativistic heavy-ion collisions. In partic…
Second order relativistic viscous hydrodynamics within an effective description of hot QCD medium
Samapan Bhadury, Manu Kurian, Vinod Chandra +1
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 f…
Dynamics of QCD Matter -- current status
Amaresh Jaiswal, Najmul Haque, Aman Abhishek +58
In this article, there are 18 sections discussing various current topics in the field of relativistic heavy-ion collisions and related phenomena, which will serve as a snapshot of…
Relaxation time approximation with pair production and annihilation processes
Samapan Bhadury, Wojciech Florkowski, Amaresh Jaiswal +1
We extend the Boltzmann equation in the relaxation time approximation to explicitly include transitions between particles forming an interacting mixture. Using the detailed balance…
Relativistic dissipative spin dynamics in the relaxation time approximation
Samapan Bhadury, Wojciech Florkowski, Amaresh Jaiswal +2
The concept of the Wigner function is used to construct a semi-classical kinetic theory describing the evolution of the axial-current phase-space density of spin-1/2 particles in t…
First order dissipative hydrodynamics and viscous corrections to the entropy four-current from an effective covariant kinetic theory
Samapan Bhadury, Manu Kurian, Vinod Chandra +1
The first order hydrodynamic evolution equations for the shear stress tensor, the bulk viscous pressure and the charge current have been studied for a system of quarks and gluons,…