Kinetic k-essence and quintessence

By R. D. Putter, Eric Linder. 2007

137 citations recorded by the source corpus.

Abstract Dark energy models with non-canonical kinetic energy terms, k -essence, can have dynamical and sound speed properties distinct from canonical scalar fields, quintessence. Concentrating on purely kinetic term Lagrangians, which can be technically natural, we investigate limits on the equation of state dynamics and sound speed behaviors and the extent to which these models can be separated from quintessence.

Subfields: Astronomy and Astrophysics, Atmospheric Science, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/5c131e9e5deddb365ff593403d7242e25035ce5d

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Astronomy and Astrophysics

1. Eric Linder
2. K. Koyama
3. B. Jain
4. Rafael C. Nunes
5. M. Takada
6. Will J. Percival
7. E. L. Wright
8. S. Tsujikawa

In Atmospheric Science

1. Eric Linder

In Nuclear and High Energy Physics

1. Eric Linder
2. K. Koyama
3. Rafael C. Nunes
4. E. L. Wright
5. Will J. Percival
6. B. Jain
7. S. Tsujikawa
8. Pedro G. Ferreira

Citations in the corpus

• The dynamics of quintessence, the quintessence of dynamics (2007, background): “However kinetic k-essence can dynamically mimic (or be mimicked by) quintessence as long as the portion of the phase space trajectory of interest does not cross this line (de Putter & Linder, 2007; Sen, 2006).”