A-term inflation and the smallness of the neutrino masses

被引：61

作者：

Allahverdi, Rouzbeh ^{[1
]}

Kusenko, Alexander

Mazumdar, Anupam

机构：

[1] Perimeter Inst Theoret Phys, Waterloo, ON N2L 2Y5, Canada

[2] McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada

[3] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

[4] NORDITA, DK-2100 Copenhagen, Denmark

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2007年 / 07期

关键词：

inflation; physics of the early universe;

D O I：

10.1088/1475-7516/2007/07/018

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The smallness of the neutrino masses may be related to inflation The minimal supersymmetric standard model (MSSM) with small neutrino Yukawa couplings already has all the necessary ingredients for a successful inflation. In this model the inflaton is a gauge-invariant combination of the right-handed sneutrino, the slepton and the Higgs field, which generate a flat direction suitable for inflation if the Yukawa coupling is small enough. In a class of models, the observed microwave background anisotropy and the tilted power spectrum are related to the neutrino masses.

引用

页数：10

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