String fluid in local equilibrium

Daniel Schubring, Vitaly Vanchurin

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

We study the solutions of string fluid equations under the assumption of a local equilibrium which was previously obtained in the context of the kinetic theory. We show that the fluid can be foliated into noninteracting submanifolds whose equations of motion are exactly that of the wiggly strings considered previously by Vilenkin and Carter. In a special case of negligible statistical variance in either the left- or the right-moving directions of microscopic strings, the submanifolds are described by the action of a null-current-carrying chiral string. When both variances vanish the submanifolds are described by the Nambu-Goto action and the string fluid reduces to the string dust introduced by Stachel.

Original languageEnglish (US)
Article number083516
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume90
Issue number8
DOIs
StatePublished - Oct 14 2014

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