On stars, galaxies and black holes in massive bigravity
arXiv:1507.00912 · doi:10.1088/1475-7516/2015/11/023
Abstract
In this paper we study the phenomenology of stars and galaxies in massive bigravity. We give parameter conditions for the existence of viable star solutions when the radius of the star is much smaller than the Compton wavelength of the graviton. If these parameter conditions are not met, we constrain the ratio between the coupling constants of the two metrics, in order to give viable conditions for e.g. neutron stars. For galaxies, we put constraints on both the Compton wavelength of the graviton and the conformal factor and coupling constants of the two metrics. The relationship between black holes and stars, and whether the former can be formed from the latter, is discussed. We argue that the different asymptotic structure of stars and black holes makes it unlikely that black holes form from the gravitational collapse of stars in massive bigravity.
22 pages, 5 figures. v2: updated references, minor stylistic changes. v3: matches version published in JCAP
References in corpus (26)
- The Confrontation between General Relativity and Experiment
- The Sloan Lens ACS Survey. V. The Full ACS Strong-Lens Sample
- Accelerated expansion from ghost-free bigravity: a statistical analysis with improved generality
- On couplings to matter in massive (bi-)gravity
- Stable and unstable cosmological models in bimetric massive gravity
- Ghosts & Matter Couplings in Massive (bi-&multi-)Gravity
- Viable cosmology in bimetric theory
- Cosmological perturbations in massive bigravity
- Gravitational waves in bigravity cosmology
- FRW Cosmological Perturbations in Massive Bigravity
- Cosmic expansion histories in massive bigravity with symmetric matter coupling
- A class of charged black hole solutions in massive (bi)gravity
- Cosmology in bimetric theory with an effective composite coupling to matter
- Linear growth of structure in massive bigravity
- Higuchi Ghosts and Gradient Instabilities in Bimetric Gravity
- Cosmology of bigravity with doubly coupled matter
- Cosmological perturbations in massive gravity with doubly coupled matter
- Rotating black holes in massive gravity
- Quantum corrections in massive bigravity and new effective composite metrics
- Mass eigenstates in bimetric theory with matter coupling
- Integrated Sachs-Wolfe effect in massive bigravity
- On the nonlinear instability of confined geometries
- Hairy black holes in theories with massive gravitons
- On the uniqueness of the non-minimal matter coupling in massive gravity and bigravity
- The Parametrized Post-Newtonian-Vainshteinian Formalism
- Surfing gravitational waves: can bigravity survive growing tensor modes?
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- Stellar structure models in modified theories of gravity: lessons and challenges
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- Dipolar Dark Matter with Massive Bigravity
- Higher dimensional massive bigravity
- Observational constraints on bimetric gravity
- Linear stability of nonbidiagonal black holes in massive gravity
- Long Range Effects in Gravity Theories with Vainshtein Screening
- Hairy black holes in scalar extended massive gravity
- Combining cosmological and local bounds on bimetric theory
- Rotating (A)dS black holes in bigravity
- Classification and asymptotic structure of black holes in bimetric theory
- Vainshtein Screening in Bimetric Cosmology
- Asymptotically flat hairy black holes in massive bigravity
- Covariant BSSN formulation in bimetric relativity
- Ghost-free completion of an effective matter coupling in bimetric theory
- The mean gauges in bimetric relativity
- Slowly-Rotating Neutron Stars in Massive Bigravity
- Black holes in torsion bigravity
- Vainshtein mechanism in massive gravity nonlinear sigma models
- Black holes in the long-range limit of torsion bigravity
- Analytical constraints on bimetric gravity
- Gravitational wave propagation in bigravity in the late universe