Gravitational Anomalies and the Family's Index Theorem

We discuss the use of the family's index theorem in the study of gravitational anomalies. The geometrical framework required to apply the family's index theorem is presented and the relation to gravitational anomalies is discussed. We show how physics necessitates the introduction of the notion oflocal cohomology which is distinct from the ordinary topological cohomology. The recent results of Alvarez-Gaumé and Witten are derived by using the family's index theorem.

GRAVITATION: ANOMALY
FIELD THEORY: HIGHER-DIMENSIONAL
FIELD THEORY: FIBRE BUNDLE
MATHEMATICAL METHODS: DIFFERENTIAL GEOMETRY
MATHEMATICAL METHODS: INDEX THEOREM

References(15)

Figures(0)

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