Massive and modified gravity as self-gravitating media

Abstract

We study the effective field theory that describes the low-energy physics of self-gravitating media. The field content consists of four derivatively coupled scalar fields that can be identified with the internal comoving coordinates of the medium. Imposing SO(3) internal spatial invariance, the theory describes supersolids. Stronger symmetry requirements lead to superfluids, solids and perfect fluids, at lowest order in derivatives. In the unitary gauge, massive gravity emerges, being thus the result of a continuous medium propagating in spacetime. Our results can be used to explore systematically the effects and signatures of modifying gravity consistently at large distances. The dark sector is then described as a self-gravitating medium with dynamical and thermodynamic properties dictated by internal symmetries. These results indicate that the divide between dark energy and modified gravity, at large distance scales, is simply a gauge choice.

41 pages, new section, to appear in Phys. Rev. D

References in corpus (35)

• Planck 2015 results. XIII. Cosmological parameters
• Dynamics of dark energy
• Resummation of Massive Gravity
• The Effective Field Theory of Inflation
• Measuring the dark side (with weak lensing)
• Planck 2015 results. XIV. Dark energy and modified gravity
• Models of non-relativistic quantum gravity: the good, the bad and the healthy
• Large Scale Structure as a Probe of Gravitational Slip
• Infrared-modified gravities and massive gravitons
• Distinguishing Modified Gravity from Dark Energy
• Theory of Dark Matter Superfluidity
• Anisotropic stress as signature of non-standard propagation of gravitational waves
• Wide-Field InfraRed Survey Telescope (WFIRST) Final Report
• The quantum mechanics of perfect fluids
• The Parameterized Post-Friedmannian Framework for Interacting Dark Energy Theories
• Measuring the Speed of Dark: Detecting Dark Energy Perturbations
• Lorentz-violating graviton masses: getting around ghosts, low strong coupling scale and VDVZ discontinuity
• Effective Lagrangian and Topological Interactions in Supersolids
• Dark energy with non-adiabatic sound speed: initial conditions and detectability
• Degrees of Freedom in Massive Gravity
• Measuring the speed of cosmological gravitational waves
• Effects of modified gravity on B-mode polarization
• Dark Energy in Practice
• Parameterizing the Effect of Dark Energy Perturbations on the Growth of Structures
• Phenomenology of theories of gravity without Lorentz invariance: the preferred frame case
• Can a galaxy redshift survey measure dark energy clustering?
• Wess-Zumino Terms for Relativistic Fluids, Superfluids, Solids, and Supersolids
• Six Puzzles for LCDM Cosmology
• Quantum Field Theory of Fluids
• Thermodynamics of perfect fluids from scalar field theory
• The effective theory of fluids at NLO and implications for dark energy
• Completing Lorentz violating massive gravity at high energies
• Non-compact nonlinear sigma models
• The ${\Lambda }_2$ limit of massive gravity
• Nonderivative Modified Gravity: a Classification

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• Cosmology with the Laser Interferometer Space Antenna
• Speeding up the universe using dust with pressure
• Probing non-Gaussian Stochastic Gravitational Wave Backgrounds with LISA
• General Relativity solutions in modified gravity
• Squeezed tensor non-Gaussianity in non-attractor inflation
• A new mechanism to enhance primordial tensor fluctuations in single field inflation
• Thermodynamics of perfect fluids from scalar field theory
• Scalar field as a perfect fluid: thermodynamics of minimally coupled scalars and Einstein frame scalar-tensor gravity
• Fluids, Superfluids and Supersolids: Dynamics and Cosmology of Self Gravitating Media
• Large Distance Modification of Newtonian Potential and Structure Formation in Universe
• Non-trivial gravitational waves and structure formation phenomenology from dark energy
• Superfluids and the Cosmological Constant Problem
• Primordial Non-Gaussianity in Supersolid Inflation
• Gravitational metamaterials from optical properties of spacetime media
• Intrinsic Entropy Perturbations from the Dark Sector
• Self-gravitating $\Lambda$-media
• Generalized unimodular gravity as a form of k-essence
• On the 6th Mode in Massive Gravity
• Solving puzzles of spontaneously broken spacetime symmetries
• Phenomenology of minimal theory of quasidilaton massive gravity
• Adiabatic Media Inflation
• Disformal invariance of continuous media with linear equation of state
• Dynamical diffeomorphisms
• Classical and Quantum Dynamics of Gyroscopic Systems and Dark Energy
• Multifield curved solid: Early dark energy and perturbation instabilities
• Cosmology with a Non-minimally Coupled Dark Matter Fluid I. Background Evolution