Dense nuclear matter equation of state from heavy-ion collisions

A Sorensen, K Agarwal, KW Brown, Z Chajęcki… - Progress in Particle and …, 2024 - Elsevier
The nuclear equation of state (EOS) is at the center of numerous theoretical and
experimental efforts in nuclear physics. With advances in microscopic theories for nuclear …

The smallest fluid on Earth

B Schenke - Reports on Progress in Physics, 2021 - iopscience.iop.org
High energy heavy ion collisions create quark gluon plasmas that behave like almost perfect
fluids. Very similar features to those that led to this insight have also been observed in …

First-order relativistic hydrodynamics is stable

P Kovtun - Journal of High Energy Physics, 2019 - Springer
We study linearized stability in first-order relativistic viscous hydrodynamics in the most
general frame. There is a region in the parameter space of transport coefficients where the …

First-order general-relativistic viscous fluid dynamics

FS Bemfica, MM Disconzi, J Noronha - Physical Review X, 2022 - APS
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 and strongly …

[HTML][HTML] The present and future of QCD

P Achenbach, D Adhikari, A Afanasev, F Afzal… - Nuclear Physics A, 2024 - Elsevier
Abstract This White Paper presents an overview of the current status and future perspective
of QCD research, based on the community inputs and scientific conclusions from the 2022 …

Stable and causal relativistic Navier-Stokes equations

RE Hoult, P Kovtun - Journal of High Energy Physics, 2020 - Springer
A bstract Relativistic Navier-Stokes equations express the conservation of the energy-
momentum tensor and the particle number current in terms of the local hydrodynamic …

Relativistic second-order dissipative spin hydrodynamics from the method of moments

N Weickgenannt, D Wagner, E Speranza, DH Rischke - Physical Review D, 2022 - APS
We derive relativistic second-order dissipative fluid-dynamical equations of motion for
massive spin-1/2 particles from kinetic theory using the method of moments. Besides the …

Can we make sense of dissipation without causality?

L Gavassino - Physical Review X, 2022 - APS
Relativity opens the door to a counterintuitive fact: A state can be stable to perturbations in
one frame of reference and unstable in another one. For this reason, the job of testing the …

Projecting the likely importance of weak-interaction-driven bulk viscosity in neutron star mergers

ER Most, SP Harris, C Plumberg… - Monthly Notices of …, 2022 - academic.oup.com
In this work, we estimate how much bulk viscosity driven by Urca processes is likely to affect
the gravitational wave signal of a neutron star coalescence. In the late inspiral, we show that …

Hydrodynamics of spin currents

AD Gallegos, U Gürsoy, A Yarom - SciPost Physics, 2021 - scipost.org
We study relativistic hydrodynamics in the presence of a non vanishing spin chemical
potential. Using a variety of techniques we carry out an exhaustive analysis, and identify the …