Transient Relativistic Fluid Dynamics in a General Hydrodynamic Frame

Jorge Noronha, Michał Spaliński, Enrico Speranza

Research output: Contribution to journalArticlepeer-review


We propose a new theory of second-order viscous relativistic hydrodynamics which does not impose any frame conditions on the choice of the hydrodynamic variables. It differs from Mueller-Israel-Stewart theory by including additional transient degrees of freedom, and its first-order truncation reduces to Bemfica-Disconzi-Noronha-Kovtun theory. Conditions for causality and stability are explicitly given in the conformal regime. As an illustrative example, we consider Bjorken flow solutions to our equations and identify variables which make a hydrodynamic attractor manifest.

Original languageEnglish (US)
Article number252302
JournalPhysical review letters
Issue number25
StatePublished - Jun 24 2022

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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