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On the ghost issue of extended quasidilaton

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arxiv 1706.07215 v3 pith:QHITAHJN submitted 2017-06-22 gr-qc hep-th

Alexey Golovnev , Aleksandr Trukhin This is my paper · ORCID
classification gr-qchep-th
keywords cosmologicalextendedghostperturbationsquasidilatonapproachboulware-deserbroken
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We report on our independent investigations of the puzzle of cosmological perturbations in extended quasidilaton. We confirm the claims of presence of the Boulware-Deser ghost. We use both the language of cosmological perturbations with broken diffeomorphisms and the Stuckelberg approach.

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  1. Vector Perturbations in Ghost-Free Quasidilaton Massive Gravity

    gr-qc 2026-08 conditional novelty 6.0 of 10

    Minimal scalar, Maxwell, or Proca matter does not restore the vanishing vector kinetic coefficient K_V on Branch II of ghost-free quasidilaton massive gravity.

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