New boundary conditions for the c=-2 ghost system

Abstract

We investigate a novel boundary condition for the bc system with central charge c=-2. Its boundary state is constructed and tested in detail. It appears to give rise to the first example of a local logarithmic boundary sector within a bulk theory whose Virasoro zero modes are diagonalizable.

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• The GL(1|1)-symplectic fermion correspondence
• The Sigma Model on Complex Projective Superspaces
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• Edge states and conformal boundary conditions in super spin chains and super sigma models
• Yangian Superalgebras in Conformal Field Theory