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arXiv 0709.0174astro-ph
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单标量场的暗物质和暗能量:CMB谱和物质传递函数

Dark Matter & Dark Energy from a single scalar field: CMB spectrum and matter transfer function

Mainini Roberto, Silvio Bonometto

摘要:

双轴子模型(DAM),产生两个DM和DE形成一个PQ类标量场解决强CP问题,已知允许一个公平的适合CMB数据。然而,最近的研究表明,它的传递函数表现出显着的异常,造成困难,以适应深星系样本数据。在这里,我们展示了如何修改DAM以符合后者的数据集。修改遵循的模式建议,以协调任何PQ类方法与重力。改进的DAM允许精确的预测,可以根据未来的CMB和/或深度样本数据进行测试。

英文摘要:

The dual axion model (DAM), yielding bot DM and DE form a PQ-like scalar field solving the strong CP problem, is known to allow a fair fit of CMB data. Recently, however, it was shown that its transfer function exhibits significant anomalies, causing difficulties to fit deep galaxy sample data. Here we show how DAM can be modified to agree with the latter data set. The modification follows the pattern suggested to reconcile any PQ-like approach with gravity. Modified DAM allows precise predictions which can be testable against future CMB and/or deep sample data.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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