On D-Brane Boundary State Analysis in Pure-Spinor Formalism

Details On D-Brane Boundary State Analysis in Pure-Spinor Formalism On D-Brane Boundary State Analysis in Pure-Spinor Formalism

2005-05-17

arxiv.org/abs/hep-th/0505157v3

JHEP 0603 (2006) 066

Physics

High Energy Physics

High Energy Physics - Theory

26 pages. References added, section 5 modified

Scientific paper

10.1088/1126-6708/2006/03/066

We explore a particular approach to study D-brane boundary states in Berkovits' pure spinor formalism of superstring theories. In this approach one constructs the boundary states in the relevant conformal field theory by relaxing the pure spinor constraints. This enables us to write down the open string boundary conditions for non-BPS D-branes in type II string theories, generalizing our previous work in light-cone Green-Schwarz formalism. As a first step to explore how to apply these boundary states for physical computations we prescribe rules for computing disk one point functions for the supergravity modes. We also comment on the force computation between two D-branes and point out that it is hard to make the world-sheet open-closed duality manifest in this computation.

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