Semirigid supergravity

Details Semirigid supergravity Semirigid supergravity

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phrvl..66.1955d&link_type=abstract

Physical Review Letters, Volume 66, Issue 15, April 15, 1991, pp.1955-1958

Mathematics

Logic

16

Supersymmetry, Supergravity

Scientific paper

We formulate two-dimensional topological gravity starting from local N=2 superconformal geometry. The theory is free from the very beginning. The usual ``twisting'' of the N=2 algebra emerges from symmetry breaking when we expand about a nonzero value for one of the ghost fields. The mysterious linear term in the supercurrent emerges automatically, as does a full superfield formalism for the whole system including ghosts. We analyze the moduli space of the ``semirigid'' super Riemann surfaces associated with this theory, including their allowed degenerations.

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