Prospects for direct detection of inflationary gravitational waves by next generation interferometric detectors

被引：23

作者：

Kuroyanagi, Sachiko ^{[1
]}

Chiba, Takeshi ^{[2
]}

Sugiyama, Naoshi ^{[3
,4
,5
]}

机构：

[1] Univ Tokyo, Inst Cosm Ray Res, Chiba 2778582, Japan

[2] Nihon Univ, Dept Phys, Coll Humanities & Sci, Tokyo 1568550, Japan

[3] Nagoya Univ, Dept Phys, Chikusa Ku, Nagoya, Aichi 4648602, Japan

[4] Nagoya Univ, KMI, Chikusa Ku, Nagoya, Aichi 4648602, Japan

[5] Univ Tokyo, Inst Phys & Math Universe, Chiba 2778582, Japan

来源：

PHYSICAL REVIEW D | 2011年 / 83卷 / 04期

关键词：

COSMOLOGICAL IMPLICATIONS; PARTICLE-PRODUCTION; NATURAL INFLATION; PHASE-TRANSITION; CONSTRAINTS; UNIVERSE; SUPERSYMMETRY; RADIATION; PHYSICS; SCALE;

D O I：

10.1103/PhysRevD.83.043514

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the potential impact of detecting the inflationary gravitational wave background by the future space-based gravitational wave detectors, such as DECIGO and BBO. The signal-to-noise ratio of each experiment is calculated for chaotic/natural/hybrid inflation models by using the precise predictions of the gravitational wave spectrum based on numerical calculations. We investigate the dependence of each inflation model on the reheating temperature which influences the amplitude and shape of the spectrum, and find that the gravitational waves could be detected for chaotic/natural inflation models with high reheating temperature. From the detection of the gravitational waves, a lower bound on the reheating temperature could be obtained. The implications of this lower bound on the reheating temperature for particle physics are also discussed.

引用

页数：10

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