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arxiv: 1007.2856 · v2 · pith:MQHZTTX7new · submitted 2010-07-16 · ✦ hep-th

The supergravity fields for a D-brane with a travelling wave from string amplitudes

classification ✦ hep-th
keywords amplitudesd-branesupergravityfieldsstringtravellingwavebound
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We calculate the supergravity fields sourced by a D-brane with a null travelling wave from disk amplitudes in type IIB string theory compactified on T^4 x S^1. The amplitudes reproduce all the non-trivial features of the previously known two-charge supergravity solutions in the D-brane/momentum frame, providing a direct link between the microscopic bound states and their macroscopic descriptions.

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