Boundary states in the Nappi-Witten model

Details Boundary states in the Nappi-Witten model Boundary states in the Nappi-Witten model

2004-09-17

arxiv.org/abs/hep-th/0409185v3

Int.J.Mod.Phys. A20 (2005) 7645-7661

Physics

High Energy Physics

High Energy Physics - Theory

19 pages, no figure; minor changes, references added

Scientific paper

10.1142/S0217751X05022809

We investigate D-branes in the Nappi-Witten model. Classically symmetric D-branes are classified by the (twisted) conjugacy classes of the Nappi-Witten group, which specify the geometry of the corresponding D-branes. Quantum description of the D-branes is given by boundary states, and we need one point functions of closed strings to construct the boundary states. We compute the one point functions solving conformal bootstrap constraints, and check that the classical limit of the boundary states reproduces the geometry of D-branes.

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