Equivalence between first-order causal and stable hydrodynamics and Israel-Stewart theory for boost-invariant systems with a constant relaxation time

Arpan Das, Wojciech Florkowski, Jorge Noronha, Radoslaw Ryblewski

Research output: Contribution to journalArticlepeer-review

Abstract

We show that the recently formulated causal and stable first-order hydrodynamics has the same dynamics as Israel-Stewart theory for boost-invariant, Bjorken expanding systems with an ideal gas equation of state and a regulating sector determined by a constant relaxation time. In this case, the general solution of the new first-order formulation can be determined analytically.

Original languageEnglish (US)
Article number135525
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume806
DOIs
StatePublished - Jul 10 2020
Externally publishedYes

Keywords

  • First-order causal and stable hydrodynamics
  • Israel-Stewart theory
  • Relativistic heavy-ion collisions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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