Upper bound on the speed of sound in nuclear matter from transport

We point out that there is an upper bound on the speed of sound squared given by cs2≤0.781 valid for all known systems described by relativistic transient hydrodynamics where calculations of certain ratios of hydrodynamic transport coefficients can be performed from first principles. Assuming this b...

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Bibliographic Details
Main Authors: Mauricio Hippert, Jorge Noronha, Paul Romatschke
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269324007421
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