The energy-momentum tensor of perturbed tachyon matter

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dc.creatorJokela, Niko
dc.creatorJarvinen, Matti
dc.creatorKeski-Vakkuri, Esko
dc.date2009-01-22
dc.date2009-04-20
dc.date.accessioned2026-07-07T13:14:50Z
dc.date.available2026-07-07T13:14:50Z
dc.descriptionWe add an initial nonhomogeneous perturbation to an otherwise homogeneous condensing tachyon background and compute its space time energy-momentum tensor from worldsheet string theory. We show that in the far future the energy-momentum tensor corresponds to nonhomogeneous pressureless tachyon matter.
dc.description8 pages. v2: minor corrections, to appear in PRD
dc.identifierhttps://arxiv.org/abs/0901.3368
dc.identifierhttp://arxiv.org/abs/0901.3368
dc.identifierPhys.Rev.D79:106005,2009
dc.identifierdoi:10.1103/PhysRevD.79.106005
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/230299
dc.subjectHigh Energy Physics - Theory
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleThe energy-momentum tensor of perturbed tachyon matter
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