paper

Flux Stabilization of D-branes in NSNS Melvin Background

arXiv:hep-th/0112199 · doi:10.1016/S0370-2693(02)01216-9

Abstract

In this paper we reexamine the D-brane spectrum in the Melvin background with nonconstant NSNS B-field from the viewpoint of its world-volume and string world-sheet theory. We find that the stable D2-D0 bound state exists even though it does not wrap any nontrivial cycles. We show that this system is stabilized by the presence of the NSNS B-field and the magnetic flux F. Moreover from the non-abelian world-volume theory of D0-branes the bound state is regarded as a system of D0-branes expanding into a fuzzy torus.

Latex, 13 pages, 1 figure, references added and minor corrections(v2), one comment added, to appear in PLB(v3)

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