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A non-Abelian Chern-Simons term for non-BPS D-branes

Bert Janssen, Patrick Meessen

hep-tharXiv:hep-th/0009025

Abstract

We propose a Chern-Simons term for N coinciding non-BPS D-branes. Demanding full U(N) invariance and compatibility with T-duality, it is shown that it is necessary to introduce new interaction terms, through which the non-BPS D-branes couple to all p-form RR fields.

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