Decay of Excited D-branes

Details Decay of Excited D-branes Decay of Excited D-branes

1996-04-12

arxiv.org/abs/hep-th/9604065v1

Phys.Lett. B381 (1996) 437-445

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX, 12 pages, 1 eps figure. Uses psfig.sty, available from http://xxx.lanl.gov/ftp/hep-th/papers/macros/psfig.sty

Scientific paper

10.1016/0370-2693(96)00621-1

We calculate the leading order interactions of massless D-brane excitations. Their 4-point functions are found to be identical to those found in type I theory. The amplitude for two massless D-brane fluctuations to produce a massless closed string is found to possess interesting new structure. As a function of its single kinematic invariant, it displays an infinite sequence of alternating zeros and poles. At high transverse momenta, this amplitude decays exponentially, indicating a growing effective thickness of the D-brane. This amplitude is the leading process by which non-extremal D-branes produce Hawking radiation.

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