Abstract
The authors study the consistency of a gauge-invariant Stueckelberg-type equation for a massive spin-3/2 particle interacting with external gravitational and electromagnetic fields which they obtain by a Kaluza-Klein dimensional reduction of the massless general-covariant Rarita-Schwinger equation. With certain restrictions on external fields dictated by fermionic gauge invariance, wave propagation is found to be causal.
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Schedule a callMore From: Journal of Physics G: Nuclear and Particle Physics
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