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Transport Equation for Nambu-Goto Strings
- Source :
- Phys.Rev. D89 (2014) no.8, 083530
- Publication Year :
- 2013
-
Abstract
- We consider a covariant approach to coarse-graining a network of interacting Nambu-Goto strings. A transport equation is constructed for a spatially flat Friedmann universe. In Minkowski space and with no spatial dependence this model agrees with a previous model. Thus it likewise converges to an equilibrium with a factorizability property. We present an argument that this property does not depend on a `string chaos' assumption on the correlations between strings. And in contrast to the earlier model, this transport equation agrees with conservation equations for a fluid of strings derived from a different perspective.<br />Comment: 17 pages, 1 figure
Details
- Database :
- arXiv
- Journal :
- Phys.Rev. D89 (2014) no.8, 083530
- Publication Type :
- Report
- Accession number :
- edsarx.1310.6763
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevD.89.083530