Fluid mechanics of strings

Daniel Schubring, Vitaly Vanchurin

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

We consider conserved currents in an interacting network of one-dimensional objects (or strings). Singular currents localized on a single string are considered in general, and a formal procedure for coarse graining over many strings is developed. This procedure is applied to strings described by the Nambu-Goto action, such as cosmic strings. In addition to conserved currents corresponding to the energy-momentum tensor, we consider an antisymmetric tensor of conserved currents related to the string tangent vector. Under the assumption of local equilibrium we derive a complete set of hydrodynamic equations for strings.

Original languageEnglish (US)
Article number083531
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume88
Issue number8
DOIs
StatePublished - Oct 25 2013

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