Statefinder parameters for interacting dark energy
General Relativity and Quantum Cosmology
2009-11-10 v1 Astrophysics
High Energy Physics - Phenomenology
High Energy Physics - Theory
Abstract
We argue that the recently introduced "statefinder parameters" (Sahni et al., JETP Lett. 77, 201 (2003)), that include the third derivative of the cosmic scale factor, are useful tools to characterize interacting quitessence models. We specify the statefinder parameters for two classes of models that solve, or at least alleviate, the coincidence problem.
Keywords
Cite
@article{arxiv.gr-qc/0311067,
title = {Statefinder parameters for interacting dark energy},
author = {Winfried Zimdahl and Diego Pavon},
journal= {arXiv preprint arXiv:gr-qc/0311067},
year = {2009}
}
Comments
11 pages, two encapsulated eps figures, key words: cosmology, accelerated expansion, statefinder parameters