Virasoro operators in the continuous basis of string field theory
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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
16 pages