Towards consistent extension of quasidilaton massive gravity

Antonio De Felice; Shinji Mukohyama

Towards consistent extension of quasidilaton massive gravity

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arxiv 1306.5502 v1 pith:ALA3KTAL submitted 2013-06-24 hep-th astro-ph.COgr-qc

Antonio De Felice , Shinji Mukohyama This is my paper · ORCID

classification hep-thastro-ph.COgr-qc

keywords theorymassivequasidilatonextensiongravityallowingbackgroundconsistent

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We present the first example of a unitary theory of Lorentz-invariant massive gravity, with all degrees of freedom propagating on a strictly homogeneous and isotropic, self-accelerating de Sitter background. The theory is a simple extension of the quasidilaton theory, respecting the symmetry of the original theory but allowing for a new type of coupling between the massive graviton and the quasidilaton scalar.

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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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