Brane-Antibrane Action from Boundary String Field Theory

Details Brane-Antibrane Action from Boundary String Field Theory Brane-Antibrane Action from Boundary String Field Theory

2000-12-21

arxiv.org/abs/hep-th/0012210v3

JHEP 0103:019,2001

Physics

High Energy Physics

High Energy Physics - Theory

38 pages, LaTeX, no figures. minor corrections and clarification. references added

Scientific paper

10.1088/1126-6708/2001/03/019

In this paper we give the boundary string field theory description of brane-antibrane systems. From the world-sheet action of brane-antibrane systems we obtain the tachyon potential and discuss the tachyon condensation exactly. We also find the world-volume action including the gauge fields. Moreover we determine RR-couplings exactly for non-BPS branes and brane-antibranes. These couplings are written by superconnections and correspond to K^1(M) and K^0(M) for the non-BPS branes and brane-antibranes, respectively. We also show that Myers terms appear if we include the transverse scalars in the boundary sigma model action.

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