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Inflation in string-inspired cosmology and suppression of CMB low multipoles
Po YS(朴云松); Zhang XM(张新民); Piao, YS; Tsujikawa, S; Zhang, XM
2004
发表期刊CLASSICAL AND QUANTUM GRAVITY
卷号21期号:18页码:4455-4461
通讯作者Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; Chinese Acad Sci, Interdisciplinary Ctr Theoret Studies, Beijing 100080, Peoples R China ; Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 2EG, Hants, England
文章类型Article
摘要We construct a string-inspired nonsingular cosmological scenario in which an inflaton field is driven up the potential before the graceful exit by employing a low-energy string effective action with an orbifold compactification. This sets up an initial condition for the inflaton to lead to a sufficient number of e-foldings and to generate a nearly scale-invariant primordial density perturbation during slow-roll inflation. Our scenario provides an interesting possibility to explain a suppressed power spectrum at low multipoles due to the presence of the modulus-driven phase prior to slow-roll inflation and thus can leave a strong imprint of extra dimensions in observed CMB anisotropies.
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
DOI10.1088/0264-9381/21/18/011
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Multidisciplinary ; Physics, Particles & Fields
WOS记录号WOS:000224423300011
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被引频次:42[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/311005/239980
专题理论物理室
作者单位中国科学院高能物理研究所
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Po YS,Zhang XM,Piao, YS,et al. Inflation in string-inspired cosmology and suppression of CMB low multipoles[J]. CLASSICAL AND QUANTUM GRAVITY,2004,21(18):4455-4461.
APA 朴云松,张新民,Piao, YS,Tsujikawa, S,&Zhang, XM.(2004).Inflation in string-inspired cosmology and suppression of CMB low multipoles.CLASSICAL AND QUANTUM GRAVITY,21(18),4455-4461.
MLA 朴云松,et al."Inflation in string-inspired cosmology and suppression of CMB low multipoles".CLASSICAL AND QUANTUM GRAVITY 21.18(2004):4455-4461.
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