Quantization of heterotic strings in a Goedel/Anti de Sitter spacetime and chronology protection | Zendy

Dan Israël | Zendy

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Quantization of heterotic strings in a Goedel/Anti de Sitter spacetime and chronology protection

Author(s) -

Dan Israël

Publication year - 2004

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2004/01/042

Subject(s) - heterotic string theory , physics , superstring theory , type i string theory , theoretical physics , mathematical physics , conformal field theory , spacetime , general relativity , string field theory , non critical string theory , conformal map , string (physics) , supersymmetry , quantum mechanics , quantum , quantum gravity , mathematics , relationship between string theory and quantum field theory , geometry

We show that a Goedel-like deformation of AdS3 in heterotic string theory canbe realized as an exact string background. Indeed this class of solutions isobtained as an exactly marginal deformation of the conformal field theorydescribing the NS5/F1 heterotic background. It can also be embedded in type IIsuperstrings as a Kaluza-Klein reduction. We compute the spectrum of this modelas well as the genus one modular invariant partition function. We discuss theissue of closed timelike curves and the propagation of long strings. Theydestabilize completely the background, although we construct another exactstring background that may describe the result of the condensation of theselong strings. Closed timelike curves are avoided in that case.Comment: 23 pages; v2: minor changes, references added, version to appear in JHE

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