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Causality of massive spin-2 field in external gravity
Physics Letters B
We investigate the structure of equations of motion and lagrangian constraints in a general theory of massive spin 2 field interacting with external gravity. We demonstrate how consistency with the flat limit can be achieved in a number of specific spacetimes. One such example is an arbitrary static spacetime though equations of motion in this case may lack causal properties. Another example is provided by external gravity fulfilling vacuum Einstein equations with arbitrary cosmologicaldoi:10.1016/s0370-2693(00)01082-0 fatcat:3wwmglnt3zfnjaf7cn62f6gw5u