Covariant formulation of spinodal decomposition in rapidly expanding quark gluon plasma

Kapusta, Joseph I.; Singh, Mayank; Welle, Thomas

doi:10.1103/PhysRevC.110.054902

Title: Covariant formulation of spinodal decomposition in rapidly expanding quark gluon plasma

Journal Article · 08 November 2024 · Physical Review. C

DOI: https://doi.org/10.1103/PhysRevC.110.054902 · OSTI ID:2476554

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Quantum chromodynamics (QCD) is expected to have a first order phase transition between the confined hadron gas and the deconfined quark gluon plasma at high baryon densities. This will result in phase boundary effects in the metastable and unstable regions. It is important to include these effects in phenomenological models of heavy ion collisions to identify experimental signatures of a phase transition. This requires building intuition on phase separation in rapidly expanding fluids. In this work we present the covariant equations of relativistic hydrodynamics with a phase boundary, provide prescriptions to extend the equation of state to metastable and unstable regions, and show the effects of spinodal separation in a Bjorken flow. Published by the American Physical Society 2024

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Sponsoring Organization:: USDOE

Grant/Contract Number:: FG02-87ER40328; SC0024347

OSTI ID:: 2476554

Journal Information:: Physical Review. C, Journal Name: Physical Review. C Journal Issue: 5 Vol. 110; ISSN PRVCAN; ISSN 2469-9985

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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