paper

*-Trek III: The Search for Ramond-Ramond Couplings

arXiv:hep-th/0107172 · doi:10.1016/S0550-3213(01)00403-5

Abstract

We give a detailed discussion of the disk amplitudes with one closed string insertion, which we used to construct the supergravity couplings of noncommutative D-branes to the RR potentials, given in hep-th/0104139. We prove the inclusion of Elliott's formula, the integer-valued modification of the noncommutative Chern character, to all orders in the gauge field. We also give a detailed comparison between the form of the result in which Elliott's formula is manifest, and the form expressed in Matrix model variables.

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