String Theory in Beta Deformed Spacetimes

Details String Theory in Beta Deformed Spacetimes String Theory in Beta Deformed Spacetimes

2005-09-05

arxiv.org/abs/hep-th/0509036v3

JHEP0511:039,2005

Physics

High Energy Physics

High Energy Physics - Theory

26 pages, harvmac, v2: statements about tachyons corrected, v3: very minor changes

Scientific paper

10.1088/1126-6708/2005/11/039

Fluxbrane-like backgrounds obtained from flat space by a sequence of T-dualities and shifts of polar coordinates (beta deformations) provide an interesting class of exactly solvable string theories. We compute the one-loop partition function for various such deformed spaces and study their spectrum of D-branes. For rational values of the B-field these models are equivalent to Z_N \times Z_N orbifolds with discrete torsion. We also obtain an interesting new class of time-dependent backgrounds which resemble localized closed string tachyon condensation.

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