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Power spectra in spacetime noncommutative inflation
Huang, QG; Li, M; Huang, QG , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2005
发表期刊NUCLEAR PHYSICS B
ISSN0550-3213
卷号713期号:40911页码:219-234
摘要The spacetime uncertainty relation, which deviates from general relativity, emerges in string/M-theory. It is possible to observe this deviation through cosmological experiments, in particular through the measurements of CMB power spectrum. This paper extends some previous observations to more general inflation schemes. We find that the noncommutative spacetime effects always suppress the power spectrum of both the scalar and tensor perturbations, and may provide a large enough running of the spectral index to fit the results of WMAP in the inflation model. (c) 2005 Elsevier B.V. All rights reserved.
部门归属Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Cosmological Perturbations Uncertainty Principle String Theory Planck-scale
学科领域Physics
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收录类别SCI
WOS记录号WOS:000228712000007
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13826
专题理论物理所SCI论文
通讯作者Huang, QG , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Huang, QG,Li, M,Huang, QG , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Power spectra in spacetime noncommutative inflation[J]. NUCLEAR PHYSICS B,2005,713(40911):219-234.
APA Huang, QG,Li, M,&Huang, QG , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2005).Power spectra in spacetime noncommutative inflation.NUCLEAR PHYSICS B,713(40911),219-234.
MLA Huang, QG,et al."Power spectra in spacetime noncommutative inflation".NUCLEAR PHYSICS B 713.40911(2005):219-234.
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