The Parameterized Post-Friedmannian Framework for Interacting Dark Energy Theories
arXiv:1502.07297 · doi:10.1103/PhysRevD.91.083537
Abstract
We present the most general parametrisation of models of dark energy in the form of a scalar field which is explicitly coupled to dark matter. We follow and extend the Parameterized Post-Friedmannian approach, previously applied to modified gravity theories, in order to include interacting dark energy. We demonstrate its use through a number of worked examples and show how the initially large parameter space of free functions can be significantly reduced and constrained to include only a few non-zero coefficients. This paves the way for a model-independent approach to classify and test interacting dark energy theories.
11 pages, 2 tables; version accepted for publication in Physical Review D
References in corpus (17)
- Improved Cosmological Constraints from New, Old and Combined Supernova Datasets
- Large-scale instability in interacting dark energy and dark matter fluids
- Dynamics of dark energy with a coupling to dark matter
- Indications of a late-time interaction in the dark sector
- Consequences of dark matter-dark energy interaction on cosmological parameters derived from SNIa data
- Effects of the interaction between dark energy and dark matter on cosmological parameters
- Interacting Dark Energy and Dark Matter: observational Constraints from Cosmological Parameters
- Coupled and Extended Quintessence: theoretical differences and structure formation
- The Parameterized Post-Friedmann Framework for Theories of Modified Gravity: Concepts, Formalism and Examples
- Dark Interactions and Cosmological Fine-Tuning
- Constraining Interactions in Cosmology's Dark Sector
- Cosmological coincidence problem in interacting dark energy models
- The Growth of Structure in Interacting Dark Energy Models
- Scattering of Dark Matter and Dark Energy
- Eddington-Born-Infeld gravity and the large scale structure of the Universe
- Can Dark Matter Decay in Dark Energy?
- New interactions in the dark sector mediated by dark energy