On the absence of ghosts in quadratic bigravity

DOI10.1088/1475-7516/2024/03/016zbMATH Open1544.83145MaRDI QIDQ6558403

Kyriakos Tamvakis, Ioannis D. Gialamas

Publication date: 19 June 2024

Published in: Journal of Cosmology and Astroparticle Physics (Search for Journal in Brave)

zbMATH Keywords

\(f(R)\) theorybimetric gravityBoulware-Deser ghost

Mathematics Subject Classification ID

Relativistic gravitational theories other than Einstein's, including asymmetric field theories (83D05)

Cites Work

• Confirmation of the secondary constraint and absence of ghost in massive gravity and bimetric gravity
• On non-linear actions for massive gravity
• The nature of spacetime in bigravity: two metrics or none?
• Republication of: The dynamics of general relativity
• Generalised matter couplings in massive bigravity
• Analysis of constraints and their algebra in bimetric theory
• Bimetric gravity from ghost-free massive gravity
• Ghost-free massive gravity with a general reference metric
• A new type of isotropic cosmological models without singularity
• On relativistic wave equations for particles of arbitrary spin in an electromagnetic field.
• On couplings to matter in massive (bi-)gravity
• Appearance of Boulware–Deser ghost in bigravity with doubly coupled matter
• New proposal for non-linear ghost-free massive \(F(R)\) gravity: cosmic acceleration and Hamiltonian analysis
• Cosmological gravitational particle production of massive spin-2 particles

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