Butterfly Tachyons in Vacuum String Field Theory
arXiv:hep-th/0211286 · doi:10.1103/PhysRevD.67.086002
Abstract
We use geometrical conformal field theory methods to investigate tachyon fluctuations about the butterfly projector state in Vacuum String Field Theory. We find that the on-shell condition for the tachyon field is equivalent to the requirement that the quadratic term in the string-field action vanish on shell. This further motivates the interpretation of the butterfly state as a D-brane. We begin a calculation of the tension of the butterfly, and conjecture that this will match the case of the sliver and further strengthen this interpretation.
14 pages, 6 figures, revtex
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