135 citations · 1.2k across the 40 of their papers we have counts for
35 papers · 1 filter
Investigating the Role of Electric Fields on Flow Harmonics in Heavy-Ion Collisions
Ankit Kumar Panda, Reghukrishnan Gangadharan, Victor Roy
Using the blast-wave model, we explore the effect of electric fields on spectra and flow harmonics (especially the elliptic flow) for charged pions and protons. We incorporate the…
An expedition to the islands of stability in the first-order causal hydrodynamics
Rajesh Biswas, Sukanya Mitra, Victor Roy
The recently proposed connection between the Lorentz invariance of stability and the speed of signal propagation has been tested for a first-order relativistic dissipative hydrodyn…
Dynamics of Hot QCD Matter -- Current Status and Developments
Santosh K. Das, Prabhakar Palni, Jhuma Sannigrahi +64
The discovery and characterization of hot and dense QCD matter, known as Quark Gluon Plasma (QGP), remains the most international collaborative effort and synergy between theorists…
Order-by-order Anisotropic Transport Coefficients of a Magnetised Fluid: a Chapman-Enskog Approach
Utsab Gangopadhyaya, Victor Roy
We derive the first and second-order expressions for the shear, the bulk viscosity, and the thermal conductivity of a relativistic hot boson gas in a magnetic field using the relat…
Is first-order relativistic hydrodynamics in general frame stable and causal for arbitrary interaction?
Rajesh Biswas, Sukanya Mitra, Victor Roy
We derive a first-order, stable and causal, relativistic hydrodynamic theory from the microscopic kinetic equation using the gradient expansion technique in a general frame. The ge…
Relativistic resistive dissipative magnetohydrodynamics from the relaxation time approximation
Ankit Kumar Panda, Ashutosh Dash, Rajesh Biswas +1
Here we derive the relativistic resistive dissipative second-order magnetohydrodynamic evolution equations using the Boltzmann equation, thus extending our work from the previous p…
Relativistic non-resistive viscous magnetohydrodynamics from the kinetic theory:a relaxation time approach
Ankit Kumar Panda, Ashutosh Dash, Rajesh Biswas +1
We derive the relativistic non-resistive, viscous second-order magnetohydrodynamic equations for the dissipative quantities using the relaxation time approximation. The Boltzmann e…
Causality and stability in relativistic viscous non-resistive magneto-fluid dynamics
Rajesh Biswas, Ashutosh Dash, Najmul Haque +2
We investigate the causality and the stability of the relativistic viscous magneto-hydrodynamics in the framework of the Israel-Stewart (IS) second-order theory, and also within a…
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…
Hydrodynamic attractors for Gubser flow
Ashutosh Dash, Victor Roy
The Boltzmann equation is solved in the relaxation time approximation using a hierarchy of angular moments of the distribution function. Our solution is obtained for an azimuthally…
One particle distribution function and shear viscosity in magnetic field: a relaxation time approach
Payal Mohanty, Ashutosh Dash, Victor Roy
We calculate the correction to the one particle distribution function in presence of magnetic field and non-zero shear viscosity within the relaxation time approximation. The…
Effect of intense magnetic fields on reduced-MHD evolution in = 200 GeV Au+Au collisions
Victor Roy, Shi Pu, Luciano Rezzolla +1
We investigate the effect of large magnetic fields on the dimensional reduced-magnetohydrodynamical expansion of hot and dense nuclear matter produced in …
Magneto-Vortical evolution of QGP in heavy ion collisions
Ashutosh Dash, Victor Roy, Bedangadas Mohanty
The interplay of magnetic field and thermal vorticity in a relativistic ideal fluid might generate fluid vorticity during the fluid evolution provided the flow fields and the entro…
Relativistic hydrodynamics in heavy-ion collisions: general aspects and recent developments
Amaresh Jaiswal, Victor Roy
Relativistic hydrodynamics has been quite successful in explaining the collective behaviour of the QCD matter produced in high energy heavy-ion collisions at RHIC and LHC. We brief…
Bjorken flow in one-dimensional relativistic magnetohydrodynamics with magnetization
Shi Pu, Victor Roy, Luciano Rezzolla +1
We study the one-dimensional, longitudinally boost-invariant motion of an ideal fluid with infinite conductivity in the presence of a transverse magnetic field, i.e., in the ideal…
Decorrelation of anisotropic flows along the longitudinal direction
Long-Gang Pang, Hannah Petersen, Guang-You Qin +2
The initial energy density distribution and fluctuation in the transverse direction lead to anisotropic flows of final hadrons through collective expansion in high-energy heavy-ion…
Event-by-event distribution of magnetic field energy over initial fluid energy density in = 200 GeV Au-Au collisions
Victor Roy, Shi Pu
We estimate the event-by-event (e-by-e) distribution of the ratio () of the magnetic field energy to the fluid energy density in the transverse plane of Au-Au collisions at $\sq…
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…
Analytic Bjorken flow in one-dimensional relativistic magnetohydrodynamics
Victor Roy, Shi Pu, Luciano Rezzolla +1
In the initial stage of relativistic heavy-ion collisions, strong magnetic fields appear due to the large velocity of the colliding charges. The evolution of these fields appears a…
Longitudinal Decorrelation of Anisotropic Flows in Heavy-ion Collisions at the CERN Large Hadron Collider
Long-Gang Pang, Guang-You Qin, Victor Roy +2
Fluctuations in the initial transverse energy-density distribution lead to anisotropic flows as observed in central high-energy heavy-ion collisions. Studies of longitudinal fluctu…
Even-by-event hydrodynamical simulations for =200 GeV Au+Au collisions and the correlation between flow coefficients and initial asymmetry measures
A. K. Chaudhuri, Md. Rihan Haque, Victor Roy +1
Centrality dependence of charged particles multiplicity, transverse momentum spectra, integrated and differential elliptic flow, in =200 GeV Au+Au collisions are ana…
Elliptic and Hexadecapole flow of charged hadron in viscous hydrodynamics with Glauber and Color Glass Condensate initial conditions for Pb-Pb collision at =2.76 TeV
Victor Roy, Bedangadas Mohanty, A. K. Chaudhuri
The experimentally measured elliptic () and hexadecapole () flow of charged particles as a function of transverse momentum () at midrapidity in Pb-Pb collision…
Comparison of results from a 2+1D relativistic viscous hydrodynamic model to elliptic and hexadecapole flow of charged hadrons measured in Au-Au collisions at = 200 GeV
Victor Roy, A. K. Chaudhuri, Bedangadas Mohanty
Simulated results from a 2+1D relativistic viscous hydrodynamic model have been compared to the experimental data on the centrality dependence of invariant yield, elliptic flow ($v…
Bulk viscosity in heavy ion collision
Victor Roy, A. K. Chaudhuri
The effect of a temperature dependent bulk viscosity to entropy density ratio~() along with a constant shear viscosity to entropy density ratio~() on the space time evolu…