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Massive graviton from diffeomorphism invariance

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arxiv 2307.13803 v2 pith:MDOIONX7 submitted 2023-07-25 hep-th gr-qc

João M. L. de Freitas , Iberê Kuntz This is my paper · ORCID
classification hep-thgr-qc
keywords gravitonmassivediffeomorphisminvarianceacquiresavoidingbecomesboulware-deser
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We describe a mechanism in which the graviton acquires a mass from the functional measure without violating the diffeomorphism symmetry nor including St\"uckelberg fields. Since gauge invariance is not violated, the number of degrees of freedom goes as in general relativity. For the same reason, Boulware-Deser ghosts and the vDVZ disconinuity do not show up. The graviton thus becomes massive at the quantum level while avoiding the usual issues of massive gravity.

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  1. Cosmological phase transitions from the functional measure

    hep-ph 2025-02 conditional novelty 6.0 of 10

    In the minimal modified functional measure model, a logarithmic scalar-potential correction can make the electroweak transition strongly first order, and future gravitational-wave observatories could probe the Higgs t...

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