More on WZ action of non-BPS branes

Details More on WZ action of non-BPS branes More on WZ action of non-BPS branes

2008-12-22

arxiv.org/abs/0812.4216v3

JHEP 0903:008,2009

Physics

High Energy Physics

High Energy Physics - Theory

17 pages, no figures

Scientific paper

10.1088/1126-6708/2009/03/008

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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