Parametrized post-Friedmann framework for interacting dark energy

Large-scale stable interacting dark energy model: Cosmological perturbations and observational constraints

(2014) Yun-He Li et al.   PHYSICAL REVIEW D

Interacting dark energy: Constraints and degeneracies

(2012) Timothy Clemson et al.   PHYSICAL REVIEW D

Velocities as a probe of dark sector interactions

(2009) Kazuya Koyama et al.   JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS

Large-scale instability in interacting dark energy and dark matter fluids

(2008) Jussi Väliviita et al.   JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS

Parametrized post-Friedmann signatures of acceleration in the CMB

(2008) Wayne Hu   PHYSICAL REVIEW D

Crossing the phantom divide with parametrized post-Friedmann dark energy

(2008) Wenjuan Fang et al.   PHYSICAL REVIEW D

Stability of the curvature perturbation in dark sectors' mutual interacting models

(2008) Jian-Hua He et al.   PHYSICS LETTERS B