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Article: Anisotropic four-dimensional Neveu-Schwarz–Neveu-Schwarz string cosmology

TitleAnisotropic four-dimensional Neveu-Schwarz–Neveu-Schwarz string cosmology
Authors
KeywordsPhysics
Nuclear physics
Issue Date2001
PublisherAmerican Physical Society. The Journal's web site is located at http://prd.aps.org
Citation
Physical Review D: Particles, Fields, Gravitation and Cosmology, 2001, v. 63 n. 6, article no. 064002 How to Cite?
AbstractAn anisotropic (Bianchi type I) cosmology is considered in the four-dimensional Neveu-Schwarz-NeveuSchwarz (NS-NS) sector of low-energy effective string theory coupled to a dilaton and an axionlike H field within a de Sitter-Einstein frame background. The general solution of the gravitational field equations can be expressed in an exact parametric form in both Einstein and string frames. The study of the time dynamics of this universe leads to the conclusion that in the absence of a dilaton field potential or a cosmological constant the initial anisotropies do not decay and the time evolution of a pure dilaton and axion field filled Bianchi type I space-time does not lead to an isotropic phase. ©2001 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/45248
ISSN
2004 Impact Factor: 5.156
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChen, CMen_HK
dc.contributor.authorHarko, Ten_HK
dc.contributor.authorMak, MKen_HK
dc.date.accessioned2007-10-30T06:20:58Z-
dc.date.available2007-10-30T06:20:58Z-
dc.date.issued2001en_HK
dc.identifier.citationPhysical Review D: Particles, Fields, Gravitation and Cosmology, 2001, v. 63 n. 6, article no. 064002en_HK
dc.identifier.issn0556-2821en_HK
dc.identifier.urihttp://hdl.handle.net/10722/45248-
dc.description.abstractAn anisotropic (Bianchi type I) cosmology is considered in the four-dimensional Neveu-Schwarz-NeveuSchwarz (NS-NS) sector of low-energy effective string theory coupled to a dilaton and an axionlike H field within a de Sitter-Einstein frame background. The general solution of the gravitational field equations can be expressed in an exact parametric form in both Einstein and string frames. The study of the time dynamics of this universe leads to the conclusion that in the absence of a dilaton field potential or a cosmological constant the initial anisotropies do not decay and the time evolution of a pure dilaton and axion field filled Bianchi type I space-time does not lead to an isotropic phase. ©2001 The American Physical Society.en_HK
dc.format.extent95772 bytes-
dc.format.extent553273 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/pdf-
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prd.aps.orgen_HK
dc.relation.ispartofPhysical Review D: Particles, Fields, Gravitation and Cosmologyen_HK
dc.rightsPhysical Review D: Particles, Fields, Gravitation and Cosmology. Copyright © American Physical Society.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectPhysicsen_HK
dc.subjectNuclear physicsen_HK
dc.titleAnisotropic four-dimensional Neveu-Schwarz–Neveu-Schwarz string cosmologyen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0556-2821&volume=63&issue=6&spage=064002:1&epage=7&date=2001&atitle=Anisotropic+four-dimensional+Neveu-Schwarz–Neveu-Schwarz+string+cosmologyen_HK
dc.identifier.emailHarko, TC:harko@hkucc.hku.hken_HK
dc.identifier.authorityHarko, TC=rp1333en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevD.63.064002en_HK
dc.identifier.scopuseid_2-s2.0-33750841302en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33750841302&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume63en_HK
dc.identifier.issue6, article no. 064002en_HK
dc.identifier.isiWOS:000167500000022-

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