An update on single field models of inflation in light of WMAP7

An update on single field models of inflation in light of WMAP7
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根据 WMAP7 对通货膨胀单场模型的更新

DOI:
10.1088/1475-7516/2010/08/037
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发表时间:
2010
影响因子:
6.4
通讯作者:
Alabidi L
Alabidi L
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Alabidi L

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在本文中,我们总结了根据WMAP 7数据发布的单场暴胀模型的现状。我们发现自5年发布以来几乎没有变化,结果与以前的发现一致。谱指数运行上界的增加影响了单场模型产生原始黑洞的状况。降低了(UV)DBI单膜模型的fequiNL的下界,从而削弱了(UV)DBI单膜模型理论参数的界.在多个重合膜的情况下,边界也被削弱了,两个、三个或四个膜的情况将产生一个张量信号,将来可能会被观察到。
In this paper we summarise the status of single field models of inflation in light of the WMAP 7 data release. We find little has changed since the 5 year release, and results are consistent with previous findings. The increase in the upper bound on the running of the spectral index impacts on the status of the production of Primordial Black Holes from single field models. The lower bound on f equi NL is reduced and thus the bounds on the theoretical parameters of (UV) DBI single brane models are weakened. In the case of multiple coincident branes the bounds are also weakened and the two, three or four brane cases will produce a tensor-signal that could possibly be observed in the future.
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