流氓画廊：Bianchi CMB异常的完全自由
Rogues' gallery: the full freedom of the Bianchi CMB anomalies
摘要：
结合最近推导的均匀，但各向异性（比安奇）宇宙学的CMB演化方程与帐户的完全线性化的动力学自由度，在这样的模型，我计算和讨论的各种温度和偏振各向异性图案可能形成。某些各向异性可以在早期隐藏在超视界模式中，从而避免核合成的任何限制，同时在平坦和开放的宇宙中产生非平凡的红移零温度模式。这些结果可能更多的是教学而不是观测的兴趣，但未来的工作将评估这种模式是否可以与WMAP结果中的异常相匹配。
英文摘要：
Combining a recent derivation of the CMB evolution equations for homogeneous but anisotropic (Bianchi) cosmologies with an account of the full linearized dynamical freedoms available in such models, I calculate and discuss the various temperature and polarisation anisotropy patterns which may be formed. Certain anisotropies can be hidden in superhorizon modes at early times, thus avoiding any constraints from nucleosynthesis while nevertheless producing non-trivial redshift-zero temperature patterns in flat and open universes. The results are likely to be more of pedagogical than observational interest, but future work will assess whether such patterns can be matched to anomalies in WMAP results.
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