New constraints on the running-mass inflation model

被引：24

作者：

Covi, L

Lyth, DH

Melchiorri, A

机构：

[1] DESY, Theory Grp, D-22603 Hamburg, Germany

[2] Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England

[3] Univ Oxford, Oxford OX1 3RH, England

来源：

PHYSICAL REVIEW D | 2003年 / 67卷 / 04期

关键词：

D O I：

10.1103/PhysRevD.67.043507

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We evaluate new observational constraints on the two-parameter scale-dependent spectral index predicted by the running-mass inflation model by combining the latest cosmic microwave background anisotropy measurements with the recent 2dF Galaxy Redshift Survey data on the matter power spectrum, with Lyman alpha forest data and finally with theoretical constraints on the reionization redshift. We find that present data still allow significant scale dependence of n, which occurs in a physically reasonable regime of parameter space.

引用

页数：9

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