Probing noncommutativity with inflationary gravitational waves
Cai YF(蔡一夫); Cai, YF; Piao, YS
刊名PHYSICS LETTERS B
2007
卷号657期号:1-3页码:1-9
学科分类Physics
DOI10.1016/j.physletb.2007.09.068
通讯作者Cai, YF (reprint author), Chinese Acad Sci, Inst High Energy Phys, POB 918-4, Beijing 100049, Peoples R China.
文章类型Article
英文摘要In this Letter we study the behaviour of gravitational wave background (GWB) generated during inflation in the noncommutative field approach. From this approach we derive one additional term, and then we find that the dispersion relation of the gravitational wave would be modified and the primordial gravitational wave would obtain an effective mass. Therefore it breaks local Lorentz symmetry. Moreover, this additional term suppresses the energy spectrum of the GWB greatly at low energy scale where the wave length is near the current horizon. Due to this, a sharp peak is formed in the energy spectrum at the low frequency band. This peak should be a key criterion in detecting the space-time noncommutativity and a critical test for Lorentz symmetry breaking in local field theory. (C) 2007 Elsevier B.V. All rights reserved.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
WOS记录号WOS:000251595600001
引用统计
被引频次:24[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225437
专题中国科学院高能物理研究所_理论物理室_期刊论文
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Cai YF,Cai, YF,Piao, YS. Probing noncommutativity with inflationary gravitational waves[J]. PHYSICS LETTERS B,2007,657(1-3):1-9.
APA 蔡一夫,Cai, YF,&Piao, YS.(2007).Probing noncommutativity with inflationary gravitational waves.PHYSICS LETTERS B,657(1-3),1-9.
MLA 蔡一夫,et al."Probing noncommutativity with inflationary gravitational waves".PHYSICS LETTERS B 657.1-3(2007):1-9.
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