On the quantisation and anomalies of antisymmetric tensor-spinors

preprint2022arXivOpen access

Abstract

We perform the quantisation of antisymmetric tensor-spinors (fermionic pp-forms) ψμ1…μpαψ^α_{μ_1 \dots μ_p} using the Batalin-Vilkovisky field-antifield formalism. Just as for the gravitino (p=1p=1), an extra propagating Nielsen-Kallosh ghost appears in quadratic gauges containing a differential operator. The appearance of this `third ghost' is described within the BV formalism for arbitrary reducible gauge theories. We then use the resulting spectrum of ghosts and the Atiyah-Singer index theorem to compute gravitational anomalies.

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