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Paper   IPM / P / 9464
School of Physics
  Title:   More on WZ Action of Non-BPS Branes
  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 Ramond-Ramond, two gauge fields and one tachyon vertex operators in the world volume of non-BPS branes. We then find the momentum expansion of this amplitude and show that the infinite tachyon/massless poles and the contact terms of this amplitude can be reproduced by the tachyon DBI and the WZ actions, and by their higher derivative corrections.

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