Supersymmetric and smooth hybrid inflation in the light of WMAP3

被引：71

作者：

ur Rehman, Mansoor ^{[1
]}

Senoguz, V. N. ^{[1
]}

Shafi, Qaisar ^{[1
]}

机构：

[1] Univ Delaware, Dept Phys & Astron, Bartol Res Inst, Newark, DE 19716 USA

来源：

PHYSICAL REVIEW D | 2007年 / 75卷 / 04期

关键词：

D O I：

10.1103/PhysRevD.75.043522

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In their minimal form both supersymmetric and smooth hybrid inflation yield a scalar spectral index n(s) close to 0.98, to be contrasted with the result n(s)=0.951(-0.019)(+0.015) from WMAP3. To realize better agreement, following Bastero-Gil, King, and Shafi, we extend the parameter space of these models by employing a nonminimal Kahler potential. We also discuss nonthermal leptogenesis by inflaton decay and obtain new bounds in these models on the reheat temperature to explain the observed baryon asymmetry.

引用

页数：9

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