Gauge (In)variance, Mass and Parity in D=3 Revisited

Details Gauge (In)variance, Mass and Parity in D=3 Revisited Gauge (In)variance, Mass and Parity in D=3 Revisited

1992-11-06

arxiv.org/abs/gr-qc/9211010v1

Directions in general relativity, vol 2 (Cambridge U Press 1993)

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages

Scientific paper

We analyze the degree of equivalence between abelian topologically massive, gauge-invariant, vector or tensor parity doublets and their explicitly massive, non-gauge, counterparts. We establish equivalence of field equations by exploiting a generalized Stueckelberg invariance of the gauge systems. Although the respective excitation spectra and induced source-source interactions are essentially identical, there are also differences, most dramatic being those between the Einstein limits of the interactions in the tensor case: the doublets avoid the discontinuity (well-known from D=4) exhibited by Pauli-Fierz theory.

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