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New geometrical insight into the anomalies in string theory
Phys. Rev. D 49, 2129 – Published 15 February, 1994
DOI: https://doi.org/10.1103/PhysRevD.49.2129
Abstract
We apply the method of coadjoint orbits to evaluate the nonvanishing square of the BRST charge and the central extension of the Virasoro algebra from the Weyl anomaly, which is based on the basic equation satisfied by the BRST operator on a coadjoint orbit associated with string theory.
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