Quintessence and inflation from the symmetry breaking transition of the internal manifold

被引:6
作者
Biswas, T [1 ]
Jaikumar, P [1 ]
机构
[1] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada
来源
PHYSICAL REVIEW D | 2004年 / 70卷 / 04期
关键词
D O I
10.1103/PhysRevD.70.044011
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We show that even in the simple framework of pure Kaluza-Klein gravity the shape moduli can generate potentials supporting inflation and/or quintessence. Using the shape moduli as the inflaton or quintessence field has the additional benefit of being able to explain symmetry breaking in a natural geometric way. A numerical analysis suggests that in these models it may be possible to obtain sufficient e-foldings during inflation as well as a small cosmological constant at the current epoch (without fine-tuning), while preserving the constraint coming from the fine structure constant.
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页数:15
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