Anisotropic inflation in the Finsler spacetime
Anisotropic inflation in the Finsler spacetime
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DOI：
10.1140/epjc/s10052-015-3468-8
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发表时间：
2015-02
期刊：
影响因子：
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通讯作者：
Xin Li;Sai Wang;Z. Chang
中科院分区：
文献类型：
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作者：
Xin Li;Sai Wang;Z. Chang
我们认为宇宙在暴胀阶段是芬斯勒的。芬斯勒背景时空破坏了旋转对称性，导致宇称破坏。给出了暴胀场量子涨落的本征功率谱。它不仅取决于波数的大小，而且取决于优选方向。在扰动的芬斯勒背景时空中，我们导出了引力场方程，并得到了哈勃视界外的一个守恒量。在我们的各向异性暴胀模型中给出了角相关系数。芬斯勒背景时空的宇称破坏特性要求各向异性效应只出现在角相关系数中，如果。给出了描述各向异性效应的角相关系数的数值结果。
We suggest the universe is Finslerian in the stage of inflation. The Finslerian background spacetime breaks rotational symmetry and induces parity violation. The primordial power spectrum is given for the quantum fluctuation of the inflation field. It depends not only on the magnitude of the wavenumber but also on the preferred direction. We derive the gravitational field equations in the perturbed Finslerian background spacetime, and we obtain a conserved quantity outside the Hubble horizon. The angular correlation coefficients are presented in our anisotropic inflation model. The parity violation feature of Finslerian background spacetime requires that the anisotropic effect only appears in the angular correlation coefficients if. The numerical results of the angular correlation coefficients are given describing the anisotropic effect.