REVIEW 2 cited by
Does quark-gluon plasma feature an extended hydrodynamic regime?
Not yet reviewed by Pith; the record is open.
This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.
SPECIMEN: schema-true, not a live event
T0 review · schema-true
One-sentence machine reading of the paper's core claim.
pith:XXXXXXXX · record.json · timestamp
abstract
We investigate the response of the near-equilibrium quark-gluon plasma (QGP) to perturbation at non-hydrodynamic gradients. We propose a conceivable scenario under which sound mode continues to dominate the medium response in this regime. Such a scenario has been observed experimentally for various liquids and liquid metals. We further show this extended hydrodynamic regime (EHR) indeed exists for both the weakly-coupled kinetic equation in the relaxation time approximation (RTA) and the strongly-coupled ${\cal N}=4$ supersymmetric Yang-Mills (SYM) theory. We construct a simple but nontrivial extension of M{\"u}eller-Isareal-Stewart (MIS) theory, namely MIS*, and demonstrate that it describes EHR response for both RTA and SYM theory. This indicates that MIS* equations can potentially be employed to search for QGP EHR via heavy-ion collisions.
Forward citations
Cited by 2 Pith papers
-
Fermi-liquid view of viscosity in cold and dense nucleon matter
In a quasiparticle Fermi liquid with medium-dependent mass, imposing Landau matching makes the bulk viscosity manifestly non-negative and parametrically smaller than shear viscosity at low temperature, ζ/η ∝ (T/μ*)⁴.
-
Transport coefficients of dense nucleon matter at low temperature
The paper expresses the bulk and shear viscosities of cold dense nucleon matter through derivatives of the thermodynamic potential, and claims that the positivity of bulk viscosity imposes an independent stability con...
Discussion (0). Continue with ORCID to comment.