A late time acceleration of the universe with two scalar fields: Many possibilities

被引：21
|
作者：
Banerjee, Narayan [1 ]
Das, Sudipta [1 ]
机构：
[1] Jadavpur Univ, Relat & Cosmol Res Ctr, Dept Phys, Kolkata 700032, W Bengal, India
来源：
MODERN PHYSICS LETTERS A | 2006年 / 21卷 / 35期
关键词：
cosmology; accelerated expansion; scalar fields;
D O I：
10.1142/S0217732306020676
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In the present work, an attempt has been made to explain the recent cosmic acceleration of the universe with two mutually interacting scalar fields, one being the Brans-Dicke scalar field and the other a quintessence scalar field. Conditions have been derived for which the quintessence scalax field has an early oscillation and it grows during a later time to govern the dynamics of the universe.
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页码：2663 / 2670
页数：8
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