64 citations · 428 across the 24 of their papers we have counts for
25 papers
Critical dynamics of the superfluid phase transition in Model F
Chandrodoy Chattopadhyay, Robert Maguire, Josh Ott +2
We describe numerical simulations of the critical dynamics near the superfluid phase transition. The calculations are based on an implementation of a stochastic hydrodynamic theory…
Transport properties of stochastic fluids
Chandrodoy Chattopadhyay, Josh Ott, Thomas Schaefer +1
We study heat conduction and momentum transport in the context of stochastic fluid dynamics. We consider a fluid described by model H in the classification of Hohenberg and Halperi…
Simulating stochastic fluid dynamics
Chandrodoy Chattopadhyay, Josh Ott, Thomas Schaefer +1
We present simulations of the real time dynamics of a fluid in the vicinity of a critical endpoint in the phase diagram. The relevant hydrodynamic theory is known as model H, and i…
Critical fluid dynamics in two and three dimensions
Chandrodoy Chattopadhyay, Josh Ott, Thomas Schaefer +1
We describe a numerical method for simulating stochastic fluid dynamics near a critical point in the Ising universality class. This theory is known as model H, and is expected to g…
Simulations of stochastic fluid dynamics near a critical point in the phase diagram
Chandrodoy Chattopadhyay, Josh Ott, Thomas Schaefer +1
We present simulations of stochastic fluid dynamics in the vicinity of a critical endpoint belonging to the universality class of the Ising model. This study is motivated by the ch…
Far-off-equilibrium early-stage dynamics in high-energy nuclear collisions
Chandrodoy Chattopadhyay, Ulrich Heinz, Thomas Schaefer
We explore the far-off-equilibrium aspects of the (1+1)-dimensional early-stage evolution of a weakly-coupled quark-gluon plasma using kinetic theory and hydrodynamics. For a large…
Fluid dynamics from the Boltzmann equation using a maximum entropy distribution
Chandrodoy Chattopadhyay, Ulrich Heinz, Thomas Schaefer
Using the recently developed ``Maximum Entropy'' (or ``least biased'') distribution function to truncate the moment hierarchy arising from kinetic theory, we formulate a far-from-e…
Dynamic scaling of order parameter fluctuations in model B
Chandrodoy Chattopadhyay, Josh Ott, Thomas Schaefer +1
We describe numerical simulations of the stochastic diffusion equation with a conserved charge. We focus on the dynamics in the vicinity of a critical point in the Ising universali…
Far-off-equilibrium expansion trajectories in the QCD phase diagram
Chandrodoy Chattopadhyay, Ulrich Heinz, Thomas Schaefer
We consider the hydrodynamic evolution of a quark-gluon gas with non-zero quark masses and net baryon number in its phase diagram. For far-off-equilibrium initial conditions the ex…
Far-from-equilibrium attractor in non-conformal plasmas
Sunil Jaiswal, Subrata Pal, Chandrodoy Chattopadhyay +2
We study the far-off-equilibrium dynamics of a Bjorken expanding non-conformal system within kinetic theory and hydrodynamics. We show that, in contrast to the conformal case, neit…
Pre-hydrodynamic evolution and its impact on quark-gluon plasma signatures
Dananjaya Liyanage, Derek Everett, Chandrodoy Chattopadhyay +1
State-of-the-art hydrodynamic models of heavy-ion collisions have considerable theoretical model uncertainties in the description of the very early pre-hydrodynamic stage. We add a…
On non-conformal kinetic theory and hydrodynamics for Bjorken flow
Sunil Jaiswal, Chandrodoy Chattopadhyay, Lipei Du +2
Using and comparing kinetic theory and second-order Chapman-Enskog hydrodynamics, we study the non-conformal dynamics of a system undergoing Bjorken expansion. We use the concept o…
Non-conformal attractor in boost-invariant plasmas
Chandrodoy Chattopadhyay, Sunil Jaiswal, Lipei Du +2
We study the dissipative evolution of (0+1)-dimensionally expanding media with Bjorken symmetry using the Boltzmann equation for massive particles in relaxation-time approximation.…
Maximum entropy kinetic matching conditions for heavy-ion collisions
Derek Everett, Chandrodoy Chattopadhyay, Ulrich Heinz
Coupling hadronic kinetic theory models to fluid dynamics in phenomenological studies of heavy ion collisions requires a prescription for ``particlization''. Existing particlizatio…
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…
Hydrodynamics from free-streaming to thermalization and back again
Chandrodoy Chattopadhyay, Ulrich W. Heinz
We study the evolution of the Knudsen and Reynolds numbers in (0+1)-dimensionally expanding fluids with Bjorken symmetry for systems whose microscopic mean free path rises more qui…
Exact solutions and attractors of higher-order viscous fluid dynamics for Bjorken flow
Sunil Jaiswal, Chandrodoy Chattopadhyay, Amaresh Jaiswal +2
We consider causal higher order theories of relativistic viscous hydrodynamics in the limit of one-dimensional boost-invariant expansion and study the associated dynamical attracto…
Analytical solutions of causal relativistic hydrodynamic equations for Bjorken and Gubser flows
Chandrodoy Chattopadhyay, Amaresh Jaiswal, Sunil Jaiswal +1
We obtain general analytical solutions of third-order viscous hydrodynamic equations for Bjorken and Gubser flows in systems with vanishing bulk viscosity and chemical potential, a…
Thermalization & hydrodynamics in Bjorken & Gubser flows
Chandrodoy Chattopadhyay, Ulrich Heinz, Subrata Pal +1
The dynamical scaling behavior of hydrodynamic and non-hydrodynamic moments of the distribution function is studied using third-order Chapman-Enskog hydrodynamics and anisotropic h…
Thermal noise in non-boost-invariant dissipative hydrodynamics
Chandrodoy Chattopadhyay, Subrata Pal
We study the effects of hydrodynamic fluctuations in non-boost-invariant longitudinal expansion of matter formed in relativistic heavy ion collisions. We formulate the theory of th…
On higher order and anisotropic hydrodynamics for Bjorken and Gubser flows
Chandrodoy Chattopadhyay, Ulrich Heinz, Subrata Pal +1
We study the evolution of hydrodynamic and non-hydrodynamic moments of the distribution function using anisotropic and third-order Chapman-Enskog hydrodynamics for systems undergoi…
Radiative heavy quark energy loss in an expanding viscous QCD plasma
Sreemoyee Sarkar, Chandrodoy Chattopadhyay, Subrata Pal
We study viscous effects on heavy quark radiative energy loss in a dynamically screened medium with boost-invariant longitudinal expansion. We calculate, to first order in opacity,…
Thermal noise in a boost-invariant matter expansion in relativistic heavy-ion collisions
Chandrodoy Chattopadhyay, Rajeev S. Bhalerao, Subrata Pal
We formulate a general theory of thermal fluctuations within causal second-order viscous hydrodynamic evolution of matter formed in relativistic heavy-ion collisions. The fluctuati…
Effects of initial-state dynamics on collective flow within a coupled transport and viscous hydrodynamic approach
Chandrodoy Chattopadhyay, Rajeev S. Bhalerao, Jean-Yves Ollitrault +1
We evaluate the effects of preequilibrium dynamics on observables in ultrarelativistic heavy-ion collisions. We simulate the initial nonequilibrium phase within A MultiPhase Transp…