利用球面小波探测暗能量
Detecting dark energy with wavelets on the sphere
摘要：
暗能量主导着我们宇宙的能量密度，但我们对它的性质和起源知之甚少。尽管宇宙微波背景辐射（大爆炸的残余辐射）以及超新星观测或宇宙大尺度结构观测提供了支持暗能量的有力证据，但通过独立的物理现象验证暗能量仍具有相当大的意义。我们回顾的工作，通过小波分析的领域，独立验证的暗能量的存在，通过检测集成的萨克斯-沃尔夫效应。球体上的小波分析的有效性证明了高度统计显着的检测暗能量。此外，探测被用来约束暗能量的属性。一个连贯的图片暗能量获得，增加了进一步的支持，现在已经建立的宇宙学一致性模型，描述我们的宇宙。
英文摘要：
Dark energy dominates the energy density of our Universe, yet we know very little about its nature and origin. Although strong evidence in support of dark energy is provided by the cosmic microwave background, the relic radiation of the Big Bang, in conjunction with either observations of supernovae or of the large scale structure of the Universe, the verification of dark energy by independent physical phenomena is of considerable interest. We review works that, through a wavelet analysis on the sphere, independently verify the existence of dark energy by detecting the integrated Sachs-Wolfe effect. The effectiveness of a wavelet analysis on the sphere is demonstrated by the highly statistically significant detections of dark energy that are made. Moreover, the detection is used to constrain properties of dark energy. A coherent picture of dark energy is obtained, adding further support to the now well established cosmological concordance model that describes our Universe.
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