Vacuum Values for Auxiliary String Fields


Auxiliary string fields are introduced in light-cone gauge string field theory in order to express contact interactions as contractions of cubic vertices. The auxiliary field in the purely closed-string bosonic theory may be given a non-zero expectation value, leading to a phase in which world-sheets have boundaries.Comment: 13 pages, DAMTP/94-2

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    Last time updated on 05/06/2019