Strings in singular time-dependent backgrounds

Amit Giveon*, Eliezer Rabinovici, Amit Sever

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


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
Issue number7-8
StatePublished - 2003
Externally publishedYes


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