Non-standard kinetic term as a natural source of non-Gaussianity

被引：9
|
作者：
Matsuda, Tomohiro [1 ]
机构：
[1] Saitama Inst Technol, Phys Lab, Okabe, Saitama 3690293, Japan
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2008年 / 10期
关键词：
Cosmology of Theories beyond the SM; Superstrings and Heterotic Strings; Supergravity Models; Supersymmetric Effective Theories;
D O I：
10.1088/1126-6708/2008/10/089
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We consider reheating after inflation with a non-standard kinetic term. We show that the difference in the kinetic term in different Hubble patches inherited from the long-wavelength moduli inhomogeneities may generate a significant level of non-Gaussianity after inflation.
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收藏
页数：9
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