On string backgrounds and (logarithmic) CFT

Details On string backgrounds and (logarithmic) CFT On string backgrounds and (logarithmic) CFT

2004-04-28

arxiv.org/abs/hep-th/0404226v1

Afr.J.Math.Phys.1:171-175,2004

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, invited contribution to the proceedings on the IX-th Workshop on Mathematical Physics and Applications, Rabat, 23-25

Scientific paper

We discuss the link between string backgrounds and the associated world-sheet
CFTs. In the search for new backgrounds and CFTs, Penrose limits and Lie
algebra contractions are important tools. The Nappi-Witten construction and the
recently discovered logarithmic CFT by Bakas and Sfetsos, are considered as
illustrations. We also speculate on possible extensions.

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