Direct limits for scalar field dark matter from a gravitational-wave detector.
Direct limits for scalar field dark matter from a gravitational-wave detector.
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DOI：
10.1038/s41586-021-04031-y
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发表时间：
2021-12
期刊：
影响因子：
64.8
通讯作者：
Wittel H
中科院分区：
文献类型：
--
作者：
Vermeulen SM;Relton P;Grote H;Raymond V;Affeldt C;Bergamin F;Bisht A;Brinkmann M;Danzmann K;Doravari S;Kringel V;Lough J;Lück H;Mehmet M;Mukund N;Nadji S;Schreiber E;Sorazu B;Strain KA;Vahlbruch H;Weinert M;Willke B;Wittel H
迄今为止，暗物质的性质仍然未知，尽管在动态变化的研究领域中正在考虑几种候选粒子。标量场暗物质是原子钟和光学腔等精密仪器正在探索的一个重要选择。在这里，我们描述了使用引力波探测器直接搜索标量场暗物质，该探测器的工作超出了量子散粒噪声极限。我们通过排除暗物质与 GEO600 干涉仪分束器直接耦合产生的信号的存在，对标量场暗物质的耦合常数作为其质量的函数设定了新的上限。这些约束比以前的直接搜索的界限提高了六个数量级以上，并且在某些情况下，比等效原理测试中获得的限制更严格，多达四个数量级。我们的工作表明，可以使用引力波探测器直接搜索来研究或约束标量场暗物质，并强调了量子增强干涉测量法在暗物质探测方面的潜力。使用引力波探测器监听暗物质特征，对标量场暗物质进行了直接搜索，并对耦合常数设定了新的上限。
The nature of dark matter remains unknown to date, although several candidate particles are being considered in a dynamically changing research landscape. Scalar field dark matter is a prominent option that is being explored with precision instruments, such as atomic clocks and optical cavities. Here we describe a direct search for scalar field dark matter using a gravitational-wave detector, which operates beyond the quantum shot-noise limit. We set new upper limits on the coupling constants of scalar field dark matter as a function of its mass, by excluding the presence of signals that would be produced through the direct coupling of this dark matter to the beam splitter of the GEO600 interferometer. These constraints improve on bounds from previous direct searches by more than six orders of magnitude and are, in some cases, more stringent than limits obtained in tests of the equivalence principle by up to four orders of magnitude. Our work demonstrates that scalar field dark matter can be investigated or constrained with direct searches using gravitational-wave detectors and highlights the potential of quantum-enhanced interferometry for dark matter detection. Using a gravitational-wave detector to listen for dark matter signatures, a direct search for scalar field dark matter was conducted and new upper limits are set on the coupling constants.
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