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On spin-2 electromagnetic interactions. (English) Zbl 1165.81354

Summary: In this paper we (re)consider the problem of electromagnetic interactions for massless spin-2 particles and show that in (A)dS spaces with nonzero cosmological constant it is indeed possible (at least in linear approximation) to switch on minimal electromagnetic interactions supplemented by third derivative non-minimal ones which are necessary to restore gauge invariance.

MSC:

81T20 Quantum field theory on curved space or space-time backgrounds
81V10 Electromagnetic interaction; quantum electrodynamics

References:

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