Virasoro operators in the continuous basis of string field theory
arXiv:hep-th/0210155 · doi:10.1088/1126-6708/2002/11/046
Abstract
In this work we derive two important tools for working in the κbasis of string field theory. First we give an analytical expression for the finite part of the spectral density ρ_{fin}. This expression is relevant when both matter and ghost sectors are considered. Then we calculate the form of the matter part of the Virasoro generators L_n in the κbasis, which construct string field theory's derivation Q_{BRST}. We find that the Virasoro generators are given by one dimensional delta functions with complex arguments.
16 pages
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- On spectral density of Neumann matrices
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- Witten's Vertex Made Simple
- Witten's Ghost Vertex Made Simple (bc and bosonized ghosts)
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- The Perturbative Spectrum of the Dressed Sliver
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