Strings in singular time-dependent backgrounds

Amit Giveon, Eliezer Rabinovici, Amit Sever

Research output: Contribution to journalArticlepeer-review

Abstract

We review the construction of time-dependent backgrounds with space-like singularities. We mainly consider exact CFT backgrounds. The algebraic and geometric aspects of these backgrounds are discussed. Physical issues, results and difficulties associated with such systems are reviewed. Finally, we present some new results: a two dimensional cosmology in the presence of an Abelian gauge field described within a family of SL(2)×U(1)/U(1)×Z quotient CFTs.

Original languageEnglish
Pages (from-to)805-823
Number of pages19
JournalFortschritte der Physik
Volume51
Issue number7-8
DOIs
StatePublished - 2003
Externally publishedYes

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