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Meng, XH; Wang, P; Meng, XH , Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China.
R-2 corrections to the cosmological dynamics of inflation in the Palatini formulation
Source PublicationCLASSICAL AND QUANTUM GRAVITY
KeywordChaotic Inflation Scalar Field Equations Perturbations Evolution
AbstractWe investigate the corrections to the inflationary cosmological dynamics due to a R-2 term in the Palatini formulation which may arise as quantum corrections to the effective Lagrangian in early universe. We found that the standard Friedmann equation will not be changed when the scalar field is in the potential energy dominated era. However, in the kinetic energy dominated era, the standard Friedmann equation will be modified and in the case of a closed and flat universe, the modified Friedmann equation will automatically require that the initial kinetic energy density of the scalar field must be in sub-Planckian scale.
2004
ISSN0264-9381
Volume21Issue:8Pages:2029-2036
Subject AreaPhysics
Indexed BySCI
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Cited Times:39[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14089
CollectionSCI期刊论文
Corresponding AuthorMeng, XH , Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China.
Recommended Citation
GB/T 7714
Meng, XH,Wang, P,Meng, XH , Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China.. R-2 corrections to the cosmological dynamics of inflation in the Palatini formulation[J]. CLASSICAL AND QUANTUM GRAVITY,2004,21(8):2029-2036.
APA Meng, XH,Wang, P,&Meng, XH , Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China..(2004).R-2 corrections to the cosmological dynamics of inflation in the Palatini formulation.CLASSICAL AND QUANTUM GRAVITY,21(8),2029-2036.
MLA Meng, XH,et al."R-2 corrections to the cosmological dynamics of inflation in the Palatini formulation".CLASSICAL AND QUANTUM GRAVITY 21.8(2004):2029-2036.
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