Supergravity Couplings of Noncommutative D-branes

Details Supergravity Couplings of Noncommutative D-branes Supergravity Couplings of Noncommutative D-branes

2001-01-01

arxiv.org/abs/hep-th/0101016v2

Nucl.Phys. B615 (2001) 169-190

Physics

High Energy Physics

High Energy Physics - Theory

26 pages, AMSLaTeX using JHEP.cls. (REVTeX optional); v2: minor misprints corrected

Scientific paper

10.1016/S0550-3213(01)00445-X

We discuss the supergravity couplings of noncommutative D-branes by considering the disk amplitudes with one closed string insertion. The result confirms a recent proposal for the general form of the noncommutative Yang-Mills operators coupling to the massless closed string modes. The construction involves smearing Yang-Mills field variables along an open Wilson line. For multiple D-branes interacting with background supergravity fields, this prescription reduces, in the B=0 limit, to the ``symmetrized trace'' prescription, and the supergravity fields are seen to be functionals of the nonabelian scalar fields on the branes.

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