期刊
EPL
卷 101, 期 3, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1209/0295-5075/101/39001
关键词
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资金
- JSPS [21244033]
- YITP Overseas Exchange Program for Young Researchers
- MEXT
- The Next Generation of Physics, Spun from Universality
- Iran's Ministry of Science and Technology
- Grants-in-Aid for Scientific Research [21244033] Funding Source: KAKEN
In this paper we present a simple, toy model of single-field inflation in which the standard non-Gaussianity consistency condition is violated. In this model the curvature perturbations on super-horizon scales are not conserved and the decaying modes of perturbations are not negligible in the non-attractor phase. As a result a large local non-Gaussianity can be obtained in the squeezed limit which violates the standard non-Gaussianity consistency condition for the single-field models. Copyright (c) EPLA, 2013
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