Tachyon condensation, boundary state, and noncommutative solitons
- 3 October 2001
- journal article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 64 (10)
- https://doi.org/10.1103/physrevd.64.106004
Abstract
We discuss the tachyon condensation in a single unstable D-brane in the framework of boundary state formulation. The boundary state in the background of the tachyon condensation and the NS B-field is explicitly constructed. We show in both commutative theory and noncommutative theory that the unstable D-branes behaves like an extended object and eventually reduces to the lower dimensional D-branes as the system approaches the infrared fixed point. We clarify the relationship between the commutative field theoretical description of the tachyon condensation and the noncommutative one.Comment: Revtex, 1 figure, References addeKeywords
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