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arXiv 0910.4935astro-ph.CO
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用基本参数的变化重构暗能量的演化

Reconstructing the evolution of dark energy with variations of fundamental parameters

N. J. Nunes, T. Dent, C. J. A. P. Martins, G. Robbers

摘要:

在假设自然参数的变化和宇宙当前的加速度是相关的,并由一个单一的标量场的演化所支配的情况下,我们展示了如何从观测探测(或约束)精细结构常数和质子-电子质量比的宇宙学变化中获得关于暗能量性质的信息。我们还评论了目前的观测状况,并与未来的光谱仪,如ESTERO和CODEX的改进前景。

英文摘要:

Under the assumption that the variations of parameters of nature and the current acceleration of the universe are related and governed by the evolution of a single scalar field, we show how information can be obtained on the nature of dark energy from observational detection of (or constraints on) cosmological variations of the fine structure constant and the proton-to-electron mass ratio. We also comment on the current observational status, and on the prospects for improvements with future spectrographs such as ESPRESSO and CODEX.

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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