ACCELERATION IN WEYL INTEGRABLE SPACETIME

被引：13
|
作者：
Miritzis, John [1 ]
机构：
[1] Univ Aegean, Dept Marine Sci, Mitilini 81100, Greece
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2013年 / 22卷 / 05期
关键词：
Weyl geometry; Weyl spacetime; Weyl space; phantom field; COSMOLOGY; MODELS;
D O I：
10.1142/S0218271813500193
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study homogeneous and isotropic cosmologies in a Weyl spacetime. It is shown that in Weyl integrable spacetime, the corresponding scalar field may act as a phantom field. In this circumstance the Weyl field gives rise to a late accelerated expansion of the universe for all initial conditions and for a wide range of the parameters.
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页数：7
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