2009/10/14 by Mark Trodden, Trodden, Mark
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Cosmology and Nongalactic Astrophysics (astro-ph.CO) #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #High Energy Physics - Phenomenology (hep-ph) #astro-ph.CO #gr-qc #hep-ph
paper · pdf · doi:10.48550/arxiv.0910.2695
6 pages, 2 figures. Talk presented at the DPF-2009 Conference, Detroit, MI, July 27-31, 2009. To appear in the proceedings
arxiv created 2009/10/14 · openalex publication_date 2009/10/14 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
I consider couplings between the dark energy and dark matter sectors. I describe how the existence of an adiabatic regime, in which the dark energy field instantaneously tracks the minimum of its effective potential, opens the door for a catastrophic instability. This \it adiabatic instability tightly constrains a wide class of interacting dark sector models. This talk was presented at, and will appear in the proceedings of the DPF-2009 conference.