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Cosmological Perturbation Analysis of Nonminimal Derivative Coupling of Scalar and Tensor Fields in Five Dimensions

机译:五维标量和张量场非初生衍生耦合的宇宙学扰动分析

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Perturbation is studied for non-minimal derivative coupling between a scalar fields and curvature tensor in five dimensions. We apply this analysis in flat universal five dimensional spacetime, generate the field equations and consider special cases at early universe, to get an exact form of the perturbation parameters. The solutions is used to explain the coupling parameter of non-minimal derivative coupling with curvature tensor. We find that for case of static extradimension at early time, the coupling parameter is approximately have value of ξ ≈ 0,0274.
机译:研究了五维标量场和曲率张量之间的非最小衍生耦合的扰动。我们在平面通用五维空间应用此分析,产生现场方程,考虑早期宇宙的特殊情况,以获得精确的扰动参数形式。该解决方案用于解释与曲率张量的非最小衍生物耦合的耦合参数。我们发现,对于早期静电外静脉的情况,耦合参数大致具有ξ≈0,0274的值。

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