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Koh, Seoktae; Koh, S , Hanyang Univ, Dept Phys, Seoul 133791, South Korea
Trans-planckian physics and non-commutative inflation
Source PublicationMODERN PHYSICS LETTERS A
KeywordCosmological Perturbations
AbstractNon-commutativity of spacetime at the Planck scale may deform the usual dispersion relations. And these deformed dispersion relations could lead to the accelerating phase without a scalar field. In this paper, we have calculated the spectral index and the running of spectral index in a non-commutative inflation model. Non-commutative inflation with thermal radiation gives a scale invariant spectrum in the limit w -> -1 and negative running spectral index which are consistent with the WMAP 3-year results.
2008
ISSN0217-7323
Volume23Issue:17-20Pages:1598-1605
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5517
Collection理论物理所科研产出_SCI论文
Corresponding AuthorKoh, S , Hanyang Univ, Dept Phys, Seoul 133791, South Korea
Recommended Citation
GB/T 7714
Koh, Seoktae,Koh, S , Hanyang Univ, Dept Phys, Seoul 133791, South Korea. Trans-planckian physics and non-commutative inflation[J]. MODERN PHYSICS LETTERS A,2008,23(17-20):1598-1605.
APA Koh, Seoktae,&Koh, S , Hanyang Univ, Dept Phys, Seoul 133791, South Korea.(2008).Trans-planckian physics and non-commutative inflation.MODERN PHYSICS LETTERS A,23(17-20),1598-1605.
MLA Koh, Seoktae,et al."Trans-planckian physics and non-commutative inflation".MODERN PHYSICS LETTERS A 23.17-20(2008):1598-1605.
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