257 citations · 1.2k across the 45 of their papers we have counts for
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Initial Data for First-order Causal Viscous Conformal Fluids in General Relativity
Marcelo M. Disconzi, James Isenberg, David Maxwell
We solve the Einstein constraint equations for a first-order causal viscous relativistic hydrodynamic theory in the case of a conformal fluid. For such a theory, a direct applicati…
Cosmological consequences of first-order general-relativistic viscous fluid dynamics
Fábio S. Bemfica, Marcelo M. Disconzi, Jorge Noronha +1
We investigate the out-of-equilibrium dynamics of viscous fluids in a spatially flat Friedmann-Lemaître-Robertson-Walker cosmology using the most general causal and stable viscous…
First-Order General-Relativistic Viscous Fluid Dynamics
Fabio S. Bemfica, Marcelo M. Disconzi, Jorge Noronha
We present the first generalization of Navier-Stokes theory to relativity that satisfies all of the following properties: (a) the system coupled to Einstein's equations is causal a…
Nonlinear causality of general first-order relativistic viscous hydrodynamics
Fábio S. Bemfica, Marcelo M. Disconzi, Jorge Noronha
Effective theory arguments are used to derive the most general energy-momentum tensor of a relativistic viscous fluid with an arbitrary equation of state (in the absence of other c…
Causality of the Einstein-Israel-Stewart Theory with Bulk Viscosity
Fabio S. Bemfica, Marcelo M. Disconzi, Jorge Noronha
We prove that Einstein's equations coupled to equations of Israel-Stewart-type, describing the dynamics of a relativistic fluid with bulk viscosity and nonzero baryon charge (witho…
Causality and existence of solutions of relativistic viscous fluid dynamics with gravity
Fabio S. Bemfica, Marcelo M. Disconzi, Jorge Noronha
A new approach is described to help improve the foundations of relativistic viscous fluid dynamics and its coupling to general relativity. Focusing on neutral conformal fluids cons…
On a viable first order formulation of relativistic viscous fluids and its applications to cosmology
Marcelo M. Disconzi, Thomas W. Kephart, Robert J. Scherrer
We consider a first order formulation of relativistic fluids with bulk viscosity based on a stress-energy tensor introduced by Lichnerowicz. Choosing a barotropic equation of state…
A New Approach to Cosmological Bulk Viscosity
Marcelo M. Disconzi, Thomas W. Kephart, Robert J. Scherrer
We examine the cosmological consequences of an alternative to the standard expression for bulk viscosity, one which was proposed to avoid the propagation of superluminal signals wi…
A note on quantization in the presence of gravitational shock waves
Marcelo M. Disconzi
We study the quantization of a free scalar field when the background metric satisfies Einstein's equations and develops gravitational shock waves.