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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
发表期刊CLASSICAL AND QUANTUM GRAVITY
关键词Chaotic Inflation Scalar Field Equations Perturbations Evolution
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.
2004
ISSN0264-9381
卷号21期号:8页码:2029-2036
学科领域Physics
收录类别SCI
引用统计
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
专题理论物理所科研产出_SCI论文
通讯作者Meng, XH , Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China.
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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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