D-branes on Noncommutative Orbifolds

Details D-branes on Noncommutative Orbifolds D-branes on Noncommutative Orbifolds

2001-05-19

arxiv.org/abs/hep-th/0105188v1

JHEP 0205 (2002) 063

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, latex

Scientific paper

We study tachyon condensation on noncommutative toric orbifolds with a $Z_2$ discrete group and explore the various kins of brane bound states arising in the case of irrational values of the B-field. We show that $Z_$ symmetry of the orbifolds incorporates naturally anti-branes in the spectrum and leads to equivalent results as those obtained by starting from an original pair of D-barD system on quantum torii. A specific analysis is deserved to the irrational representation of NC orbifolds and to the unstable bound states generated by the condensation.

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