$N=1$ from $N=2$ Superstrings

Abstract

We give a simple proof that a particular class of $N=2$ superstrings are equivalent to the $N=1$ superstrings. This is achieved by constructing a similarity transformation which transforms the $N=2$ BRST operators into a direct sum of the BRST operators for the $N=1$ string and topological sectors.

7 pages, Latex file, NBI-HE-93-76

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