Nuclear Physics B, ( ISI ), No (127), Year (2008-3) , Pages (502-516)

Title : what is needed of a tachyon if it is to be the dark energy ( On Wess-Zumino terms of Brane-Antibrane systems )

Authors: Mohammad Reza Garousi , Ehsan Hatefi ,

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We calculate the disk level S-matrix element of one closed string RR field, two open string tachyons and one gauge field in type II superstring theory. An expansion for the S-matrix element has been found that its four leading order terms are reproduced exactly by the symmetric trace tachyon DBI and the Wess-Zumino actions of D-brane-anti-D-brane systems. Using this consistency, we have also found the first higher derivative correction to the some of the WZ terms.

Keywords

Tachyon
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@article{paperid:202962,
author = {Garousi, Mohammad Reza and Hatefi, Ehsan},
title = {what is needed of a tachyon if it is to be the dark energy},
journal = {Nuclear Physics B},
year = {2008},
number = {127},
month = {March},
issn = {0550-3213},
pages = {502--516},
numpages = {14},
keywords = {Tachyon condensation;},
}

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%0 Journal Article
%T what is needed of a tachyon if it is to be the dark energy
%A Garousi, Mohammad Reza
%A Hatefi, Ehsan
%J Nuclear Physics B
%@ 0550-3213
%D 2008

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