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R-2 corrections to the cosmological dynamics of inflation in the Palatini formulation
Meng, XH; Wang, P; Meng, XH , Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China.
2004
发表期刊CLASSICAL AND QUANTUM GRAVITY
ISSN0264-9381
卷号21期号:8页码:2029-2036
摘要We 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.
部门归属Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Univ Arizona, Dept Phys, Tucson, AZ 85721 USA
关键词Chaotic Inflation Scalar Field Equations Perturbations Evolution
学科领域Physics
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收录类别SCI
WOS记录号WOS:000221527700009
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被引频次:39[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14089
专题理论物理所1978-2010年知识产出
通讯作者Meng, XH , Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China.
推荐引用方式
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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