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Rolling down to D-brane and tachyon matter

Akira Ishida, Shozo Uehara

hep-tharXiv:hep-th/0301179

Abstract

We investigate the spatially inhomogeneous decay of an unstable D-brane and construct an asymptotic solution which describes a codimension one D-brane and the tachyon matter in boundary string field theory. In this solution, the tachyon matter exists around the lower-dimensional D-brane.

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