论文标题
探索等离子轴承卤素的导线阵列超材料
Exploration of Wire Array Metamaterials for the Plasma Axion Haloscope
论文作者
论文摘要
最近提出了一种血浆吊带板作为一种可行的方法，可以扩展对10 GHz以上的暗物质轴（$ \ sim $ 40 $ $ $ $ eV）的搜索，从而将传统轴突吊带板中的微波炉腔由电线阵列矩阵材料取代。由于超材料的等离子体频率由其单位电池确定，因此是散装特性，与微波炉相比，可以使任何频率的超材料谐振器任意变大，而微波炉的频率会随着频率的增加而导致体积的陡峭损失。我们已经通过$ s_ {21} $测量值调查了电线阵列超材料的基本属性。与理论模型达成了极好的一致性，我们将可实现的质量因素预测为$ 10^{4} $的订单。此外，从工程的角度来看，用于在可用的动态范围内调整数组（$ 30 \％$的频率）的方案似乎是实用的。
A plasma haloscope has recently been proposed as a feasible approach to extend the search for dark matter axions above 10 GHz ($\sim$ 40 $μ$eV), whereby the microwave cavity in a conventional axion haloscope is supplanted by a wire array metamaterial. As the plasma frequency of a metamaterial is determined by its unit cell, and is thus a bulk property, a metamaterial resonator of any frequency can be made arbitrarily large, in contrast to a microwave cavity which incurs a steep penalty in volume with increasing frequency. We have investigated the basic properties of wire array metamaterials through $S_{21}$ measurements in the 10 GHz range. Excellent agreement with theoretical models is found, by which we project achievable quality factors to be of order $10^{4}$ in an actual axion search. Furthermore, schemes for tuning the array over a usable dynamic range ($30\%$ in frequency) appear practical from an engineering perspective.
