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Paper   IPM / Physic / 8760
School of Physics
  Title:   On the effective action of D-brane-anti-D-brane system
  Author(s):  M.R. Garousi
  Status:   Published
  Journal: JHEP
  Vol.:  12
  Year:  2007
  Pages:   089
  Supported by:  IPM
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 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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