Vacuum String Field Theory
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This is a brief review of vacuum string field theory, a new approach to open string field theory based on the stable vacuum of the tachyon. We discuss the sliver state explaining its role as a projector in the space of half-string functionals. We review the construction of D-brane solutions in vacuum string field theory, both in the algebraic approach and in the more general geometrical approach that emphasizes the role of boundary CFT. -- To appear in the Proceedings of Strings 2001, Mumbai, India.
31 pages, 3 figures, LaTeX. Added references, a new subsection, and edited comments
31 pages, 3 figures, LaTeX. Added references, a new subsection, and edited comments