On the BRST Cohomology of N=2 Strings

Details On the BRST Cohomology of N=2 Strings On the BRST Cohomology of N=2 Strings

1995-08-21

arxiv.org/abs/hep-th/9508100v1

Physics

High Energy Physics

High Energy Physics - Theory

Talk at ``Strings '95'', March 95; 2 pages

Scientific paper

We analyze the BRST cohomology of the critical N=2 NSR string using chiral bosonization. Picture-changing and spectral flow is made explicit in a holomorphic field basis. The integration of fermionic and U(1) moduli is performed and yields picture- and U(1) ghost number-changing insertions into the string measure for n-point amplitudes at arbitrary genus and U(1) instanton number.

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