| Issue |
Europhys. Lett.
Volume 73, Number 1, January 2006
|
|
|---|---|---|
| Page(s) | 149 - 155 | |
| Section | Geophysics, astronomy, and astrophysics | |
| DOI | https://doi.org/10.1209/epl/i2005-10350-5 | |
| Published online | 23 November 2005 | |
Slow rolling, inflation, and quintessence
1
Dipartimento di Fisica, Politecnico di Torino Corso Duca degli Abruzzi 24, I-10129 Torino, Italy
2
Dipartimento di Scienze Fisiche, Università Federico II di Napoli Complesso Universitario di Monte S. Angelo - Via Cintia, Ed. N, I-80126 Napoli, Italy
3
Istituto Nazionale di Fisica Nucleare, Sez. Napoli Complesso Universitario di Monte S. Angelo - Via Cintia, Ed. G, I-80126 Napoli, Italy
Received:
22
June
2005
Accepted:
25
October
2005
We comment on the choice of the quintessence potential, examining the slow-roll approximation in a minimally coupled theory of gravity. We make some considerations on the potential behaviors, the related Γ parameter, and their relationships to phantom cosmology.
PACS: 98.80.-k – Cosmology / 98.80.Jk – Mathematical and relativistic aspects of cosmology / 98.80.Cq – Particle-theory and field-theory models of the early Universe (including cosmic pancakes, cosmic strings, chaotic phenomena, inflationary universe, etc.)
© EDP Sciences, 2005
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