Non-BPS States in Heterotic - Type IIA Duality

Abstract

The relation between some perturbative non-BPS states of the heterotic theory on T^4 and non-perturbative non-BPS states of the orbifold limit of type IIA on K3 is exhibited. The relevant states include a non-BPS D-string, and a non-BPS bound state of BPS D-particles (`D-molecule'). The domains of stability of these states in the two theories are determined and compared.

17 pages LaTex, 1 figure; Minor correction in subsection 4.3

References in corpus (4)

• D-Branes And K-Theory
• SO(32) Spinors of Type I and Other Solitons on Brane-Antibrane Pair
• Stable Non-BPS States in String Theory
• Matrix Theory on ALE Spaces and Wrapped Membranes

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