Structure formation with two periods of inflation: beyond PLaIn ΛCDM
Structure formation with two periods of inflation: beyond PLaIn ΛCDM
复制标题
具有两个膨胀期的结构形成:超越 PLAIn ΛCDM
DOI:
10.1088/1475-7516/2020/10/053
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发表时间:
2020
影响因子:
6.4
通讯作者:
Takahashi Tomo
中科院分区:
文献类型:
--
作者:
Enqvist Kari;Sawala Till;Takahashi Tomo
We discuss structure formation in models with a spectator field in small-field inflation which accommodate a secondary period of inflation. In such models, subgalactic scale primordial fluctuations can be much suppressed in comparison to the usual power-law ΛCDM model while the large scale fluctuations remain consistent with current observations. We discuss how a secondary inflationary epoch may give rise to observable features in the small scale power spectrum and hence be tested by the structures in the Local Universe.
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DOI:
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期刊:
The Astrophysical Journal
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DOI:
--
发表时间:
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期刊:
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