Inflation with non-minimal gravitational couplings in supergravity

被引：0
|
作者：
Martin B. Einhorn
D. R. Timothy Jones
机构：
[1] University of California,Kavli Institute for Theoretical Physics
[2] University of Liverpool,Dept. of Mathematical Sciences
来源：
Journal of High Energy Physics | / 2010卷
关键词：
Cosmology of Theories beyond the SM; Supergravity Models; Supersymmetric Effective Theories;
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摘要：
We explore in the supergravity context the possibility that a Higgs scalar may drive inflation via a non-minimal coupling to gravity characterised by a large dimensionless coupling constant. We find that this scenario is not compatible with the MSSM, but that adding a singlet field (NMSSM, or a variant thereof) can very naturally give rise to slow-roll inflation. The inflaton is necessarily contained in the doublet Higgs sector and occurs in the D-flat direction of the two Higgs doublets.
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