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Anisotropic inflation with general potentials

delete2016-01-28
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PRE
AI
J
Jiaming Shi
X
Xiaotian Huang
T
Taotao Qiu *
DOI:10.1007/s11433-016-5786-8delete
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摘要

摘要

En 中文
Anomalies in recent observational data indicate that there might be some anisotropic hair generated in an inflation period. To obtain general information about the effects of this anisotropic hair to inflation models, we studied anisotropic inflation models that involve one vector and one scalar using several types of potentials. We determined the general relationship between the degree of anisotropy and the fraction of the vector and scalar fields, and concluded that the anisotropies behave independently of the potentials. We also generalized our study to the case of multi-directional anisotropies.
Keyword:
inflation
vector field
CMB anisotropies
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期刊

S
Science China-Physics Mechanics and Astronomy
IF:
7.5
论文数:
3.9K
被引数:
7.4K

机构

C
Central China Normal University
学者数:
1.1W
论文数: 8.1K
被引数: 1.1W
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