Holomorphic Tachyons and Fractional D-branes

Details Holomorphic Tachyons and Fractional D-branes Holomorphic Tachyons and Fractional D-branes

2001-03-04

arxiv.org/abs/hep-th/0103021v3

Nucl.Phys. B603 (2001) 259-285

Physics

High Energy Physics

High Energy Physics - Theory

Latex, 30 pages, v2:typos corrected and references added, v3:comments and references added

Scientific paper

10.1016/S0550-3213(01)00148-1

We study tachyon condensation on brane-antibrane systems in orbifold theories from the viewpoint of boundary string field theory. We show that the condensation of holomorphic tachyon fields generates various fractional D-branes. The boundary N=2 supersymmetry in the world-sheet theory ensures this result exactly. Furthermore, our results are consistent with the twisted RR-charges from detailed calculations of boundary states. We also discuss the generation of RR-charges due to holomorphic tachyon fields on multiple brane-antibrane pairs in flat space.

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