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Consistent gravitational anomalies for chiral scalars

Authors
  • Menotti, Pietro
Type
Preprint
Publication Date
Oct 09, 2010
Submission Date
Oct 09, 2010
Identifiers
arXiv ID: 1010.1821
Source
arXiv
License
Unknown
External links

Abstract

Starting from the Henneaux-Teitelboim action for a chiral scalar, which generalizes to curved space the Floreanini-Jackiw action, we give two simple derivations of the exact consistent gravitational anomaly. The first derivation is through the Schwinger-DeWitt regularization. The second exploits cohomological methods and uses the fact that in dimension two the diffeomorphism transformations are described by a single ghost which allows to climb the cohomological chain in a unique way.

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