Time-dependent supergravity solutions in null dilaton background

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dc.creatorNayak, Rashmi R.
dc.creatorPanigrahi, Kamal L.
dc.creatorSiwach, Sanjay
dc.date2006-05-29
dc.date2006-07-29
dc.date.accessioned2026-07-07T11:06:34Z
dc.date.available2026-07-07T11:06:34Z
dc.descriptionA class of time dependent pp-waves with NS-NS flux in type IIA string theory is considered. The background preserves 1/4 supersymmetry and may provide a toy model of Big Bang cosmology with non trivial flux. At the Big Bang singularity in early past, the string theory is strongly coupled and Matrix string model can be used to describe the dynamics. We also construct some time dependent supergravity solutions for D-branes and analyze their supersymmetry properties.
dc.description11 pages, a typo is fixed in eqn 20. To appear in Phys. Lett. B
dc.identifierhttps://arxiv.org/abs/hep-th/0605278
dc.identifierhttp://arxiv.org/abs/hep-th/0605278
dc.identifierPhys.Lett.B640:214-218,2006
dc.identifierdoi:10.1016/j.physletb.2006.07.057
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/189562
dc.subjectHigh Energy Physics - Theory
dc.titleTime-dependent supergravity solutions in null dilaton background
dc.typetext

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