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论文题目:	Phase-transition sound of inflation at gravitational waves detectors
论文题目英文:
作者:	Wang, Yu-Tong; Cai, Yong; Piao, Yun-Song
论文出处:
刊物名称:	PHYSICS LETTERS B
年:	2019
卷:	789
期:
页:	191-196
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摘要:	It is well-known that the first-order phase transition (PT) will yield a stochastic gravitational waves (GWs) background with a peculiar spectrum. However, we show that when such a PT happened during the primordial inflation, the GWs spectrum brought by the PT will be reddened, which thus records the unique voiceprint of inflation. We assess the abilities of the GW detectors to detect the corresponding signal. (C) 2018 The Authors. Published by Elsevier B.V.
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