Journal of High Energy Physics, ( ISI ), Year (2007-3)

#### Title : Generation of electromagnetic fields in string cosmology with a massive scalar field on the anti-D-b ( On the effective action of D-brane-anti-D-brane system )

Authors: Mohammad Reza Garousi ,

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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.

#### Keywords

, D-branes, Tachyon
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@article{paperid:202961,
author = {Garousi, Mohammad Reza},
title = {Generation of electromagnetic fields in string cosmology with a massive scalar field on the anti-D-b},
journal = {Journal of High Energy Physics},
year = {2007},
month = {March},
issn = {1029-8479},
keywords = {D-branes; Tachyon condensation},
}