Dynamical features of scalar-torsion theories

被引：80

作者：

Skugoreva, Maria A. ^{[1
]}

Saridakis, Emmanuel N. ^{[2
,3
]}

Toporensky, Alexey V. ^{[4
,5
]}

机构：

[1] Peoples Frendship Univ Russia, Moscow 117198, Russia

[2] Natl Tech Univ Athens, Div Phys, Athens 15780, Greece

[3] Pontificia Univ Catolica Valparaiso, Inst Fis, Valparaiso, Chile

[4] Moscow MV Lomonosov State Univ, Sternberg Astron Inst, Moscow 119992, Russia

[5] Kazan Fed Univ, Kazan 420008, Russia

来源：

PHYSICAL REVIEW D | 2015年 / 91卷 / 04期

关键词：

MODIFIED GRAVITY; DARK; MODELS; FIELD;

D O I：

10.1103/PhysRevD.91.044023

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate the cosmological dynamics in teleparallel gravity with nonminimal coupling. We analytically extract several asymptotic solutions, and we numerically study the exact phase-space behavior. Comparing the obtained results with the corresponding behavior of nonminimal scalar-curvature theory, we find significant differences, such as the rare stability and the frequent presence of oscillatory behavior.

引用

页数：11

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