Corrections to D-brane Action and Generalized Boundary State

Abstract

In this paper, we generalize a boundary state to the one incorporating non-constant gauge field strength as an external background coupled to the boundary of a string worldsheet in bosonic string theory. This newly defined boundary state satisfies generalized nonlinear boundary conditions with non-constant gauge field strength, and is BRST invariant. The divergence immanent in this boundary state coincide with the one calculated in a string sigma model. We extract the relevant massless part of this generalized boundary state, and give a part of the D-brane action with the non-constant gauge field strength, that is, derivative corrections to the D-brane action.

21 pages, LaTeX, 2 eps figures, a reference added, typos corrected

References in corpus (2)

• Curvature terms in D-brane actions and their M-theory origin
• One-Loop Tachyon Amplitude in Unoriented Open-Closed String Field Theory

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• Boundary state of multiple D0-branes and closed string coupling