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Paper   IPM / P / 8746
School of Physics
  Title:   On Wess-Zumino Terms of Brane-Antibrane Systems
  Author(s): 
1.  M.R. Garousi
2.  E. Hatefi
  Status:   Preprint
  Journal:
  Year:  2008
  Supported by:  IPM
  Abstract:
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.

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