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arXiv · hep-th/0003022

Stable non-BPS D-branes of type I

M. Frau·L. Gallot·A. Lerda·P. Strigazzi
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Abstract

We review the boundary state description of the non-BPS D-branes in the type I string theory and show that the only stable configurations are the D-particle and the D-instanton. We also compute the gauge and gravitational interactions of the non-BPS D-particles and compare them with the interactions of the dual non-BPS particles of the heterotic string finding complete agreement. In this way we provide further dynamical evidence of the heterotic/type I duality.

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M. Frau, L. Gallot, A. Lerda, P. Strigazzi. 2000-03-03. Stable non-BPS D-branes of type I. https://arxiv.org/abs/hep-th/0003022

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