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Article Dans Une Revue Physical Review D Année : 2024

Massive Gravity is not Positive

Résumé

We derive new positivity bounds at finite momentum transfer, assuming a large separation between the mass $m$ of the lightest particle in the effective theory and the mass gap $M$ to new heavy states. Massive gravity parametrically violates these bounds unless the cutoff is within one order of magnitude of the graviton mass $M\lesssim O(10)m$.

Dates et versions

hal-04080053 , version 1 (24-04-2023)

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Brando Bellazzini, Giulia Isabella, Sergio Ricossa, Francesco Riva. Massive Gravity is not Positive. Physical Review D, 2024, 109 (2), pp.024051. ⟨10.1103/PhysRevD.109.024051⟩. ⟨hal-04080053⟩
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