On the effective action of D-brane-anti-D-brane system

Details On the effective action of D-brane-anti-D-brane system On the effective action of D-brane-anti-D-brane system

2007-10-29

arxiv.org/abs/0710.5469v2

JHEP0712:089,2007

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, no figure, latex file, v2: typos corrected, a reference added, version published in JHEP

Scientific paper

10.1088/1126-6708/2007/12/089

We examine the proposal for constructing the effective action of a D-brane-anti-D-brane system from the non-abelian extension of tachyon DBI action. We consider two prescriptions for the trace in the non-abelian tachyon DBI action. The usual trace and the symmetric trace prescription. The former gives an action for the D\bar{D} system which reduces to the action proposed by A.Sen for coincident branes. The latter gives a different action which is consistent with the S-matrix element calculations.

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