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More on WZ action of non-BPS branes
classification
✦ hep-th
keywords
tachyonamplitudebranesnon-bpsactionactionscalculatecontact
read the original 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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