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.
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页数：11
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