Inter-Brane Potential and the Decay of a non-BPS-D-brane to Closed Strings

Details Inter-Brane Potential and the Decay of a non-BPS-D-brane to Closed Strings Inter-Brane Potential and the Decay of a non-BPS-D-brane to Closed Strings

2003-07-08

arxiv.org/abs/hep-th/0307078v1

Phys.Lett. B573 (2003) 181-192

Physics

High Energy Physics

High Energy Physics - Theory

16 Pages, 3 Figures

Scientific paper

We calculate the potential for $Dp-\Dbar p$ pair and show that the coincident $Dp-\Dbar p$ system has $(11-p)$ tachyonic modes, with $(9-p)$ of them due to radiative corrections. We propose that the decay width of an unstable non-BPS-$Dp$-brane to closed strings is given by the imaginary part of the one-loop contribution to the effective potential of the open string tachyon mode.

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