论文标题
用原子和分子探测快速振荡的标量暗物质
Probing fast oscillating scalar dark matter with atoms and molecules
论文作者
论文摘要
在几种情况下，有预计将带有标量耦合的光标度暗物质会引起自然基本常数的变化。除其他方式外，可以通过原子光谱法搜索这种变化。敏感的原子观测值主要是由于细胞常数或电子质量的可能变化。迄今为止，大多数搜索都集中在常数的缓慢变化上（即调制频率$ <$ 1 Hz）。在最近的实验\ mbox {[Phys。莱特牧师。 123，141102（2019）]}称为WRESL（周末放松搜索实验室），我们在直接搜索射频频段的快速变化时报道了。这种搜索在一类放松的暗物质模型中特别动机。我们讨论了WRESL实验，报告了改进快速基本恒定变化的测量结果的进展，并讨论了计划扩展到分子的扩展，其中可以敏感地搜索核质量的快速变化。
Light scalar Dark Matter with scalar couplings to matter is expected within several scenarios to induce variations in the fundamental constants of nature. Such variations can be searched for, among other ways, via atomic spectroscopy. Sensitive atomic observables arise primarily due to possible changes in the fine-structure constant or the electron mass. Most of the searches to date have focused on slow variations of the constants (i.e. modulation frequencies $<$ 1 Hz). In a recent experiment \mbox{[Phys. Rev. Lett. 123, 141102 (2019)]} called WReSL (Weekend Relaxion-Search Laboratory), we reported on a direct search for rapid variations in the radio-frequency band. Such a search is particularly motivated within a class of relaxion Dark Matter models. We discuss the WReSL experiment, report on progress towards improved measurements of rapid fundamental constant variations, and discuss the planned extension of the work to molecules, in which rapid variations of the nuclear mass can be sensitively searched for.
