dc.contributor.author |
Skugoreva M. |
|
dc.contributor.author |
Toporensky A. |
|
dc.contributor.author |
Vernov S. |
|
dc.date.accessioned |
2018-09-18T20:23:37Z |
|
dc.date.available |
2018-09-18T20:23:37Z |
|
dc.date.issued |
2014 |
|
dc.identifier.issn |
1550-7998 |
|
dc.identifier.uri |
https://dspace.kpfu.ru/xmlui/handle/net/139412 |
|
dc.description.abstract |
© 2014 American Physical Society. We explore dynamics of cosmological models with a nonminimally coupled scalar field evolving on a spatially flat Friedmann-Lemaître-Robertson-Walker background. We consider cosmological models including the Hilbert-Einstein curvature term and the N degree monomial of the scalar field nonminimally coupled to gravity. The potential of the scalar field is the n degree monomial or polynomial. We describe several qualitatively different types of dynamics depending on values of power indices N and n. We identify that three main possible pictures correspond to n<N, N<n<2N and n>2N cases. Some special features connected with the important cases of N=n (including the quadratic potential with quadratic coupling) and n=2N (which shares its asymptotics with the potential of the Higgs-driven inflation) are described separately. A global qualitative analysis allows us to cover the most interesting cases of small N and n by a limiting number of phase-space diagrams. The influence of the cosmological constant to the global features of dynamics is also studied. |
|
dc.relation.ispartofseries |
Physical Review D - Particles, Fields, Gravitation and Cosmology |
|
dc.title |
Global stability analysis for cosmological models with nonminimally coupled scalar fields |
|
dc.type |
Article |
|
dc.relation.ispartofseries-issue |
6 |
|
dc.relation.ispartofseries-volume |
90 |
|
dc.collection |
Публикации сотрудников КФУ |
|
dc.source.id |
SCOPUS15507998-2014-90-6-SID84907459467 |
|