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1 paper

gr-qc2026

Energy-Momentum Conservation as a Constraint to Restrict the Space of Viable Field Lagrangians: Vector Field versus Spin-Two Field

Satoshi Nakajima, Antonio López-Pinto

We investigate whether the Lagrangian density for an interacting vector field or an interacting massless spin-2 field can be determined by imposing Poincaré invariance and the con…