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Rolling through a vacuum
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DOI：10.1007/JHEP12(2013)081.png)
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摘要
En 中文
We clarify under what conditions slow-roll inflation can continue almost undisturbed, while briefly evolving through a (semi-classically) metastable false vacuum. Furthermore, we look at potential signatures in the primordial power spectrum that could point towards the existence of traversed metastable false vacua. Interestingly, the theoretical constraints for the existence of traversable metastable vacua imply that Planck should be able to detect the resulting features in the primordial power spectrum. In other words, if Planck does not see features this immediately implies the non-existence of metastable false vacua rolled through during the inflationary epoch.
Keyword:
dS vacua in string theory
Cosmology of Theories beyond the SM
Solitons Monopoles and Instantons
Classical Theories of Gravity
期刊
IF:
5.5
论文数:
3.9W
被引数:
13.7W
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引用论文
SEVEN-YEAR WILKINSON MICROWAVE ANISOTROPY PROBE (WMAP) OBSERVATIONS: COSMOLOGICAL INTERPRETATION七年威尔金森微波各向异性探测器 (WMAP) 观测: 宇宙学解释
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