Boundary States in B-Field Background

Abstract

We consider the boundary states which describe D-branes in a constant B-field background. We show that the two-form field Phi, which interpolates commutative and noncommutative descriptions of D-branes, can be interpreted as the invariant field strength in the T-dual picture. We also show that the extended algebra parametrized by theta and Phi naturally appears as the commutation relations of the original and the T-dual coordinates.

14 pages, lanlmac; version to appear in Phys. Lett. B

References in corpus (2)

• A Note on Background Independence in Noncommutative Gauge Theories, Matrix Model and Tachyon Condensation
• Open-Closed String Field Theory in the Background B-Field

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