论文标题
重新审视的轴心检测
Axion detection with phonon-polaritons revisited
论文作者
论文摘要
在存在背景磁场的情况下，Axion暗物质会诱导电场，因此可以在合适的材料中激发声子 - 两极。我们重新审视此类材料的轴突转换功率输出的计算，考虑有限的体积效应和材料损失。我们的计算表明，如何将声子孔子转换为材料边界处的光子传播光子，从而提供了检测信号的途径。使用GAAS的介电函数，Al $ _2 $ o $ _3 $和SIO $ _2 $，适合我们的损失模型会导致高度的信号低于以前的计算。我们展示了如何直接使用介电函数中的共振的知识来计算任何材料对斧头暗物质的敏感性。我们认为，在$ \ mathcal {o}（1）$ k温度和检测器黑暗计数的未来改善中遇到的低损失的组合使一个人可以探测质量范围$ m_a \ m_a \ mev的QCD轴。这提供了进一步的动力来检查新型材料并进一步开发THZ制度的检测器。我们还讨论了扫描轴突质量的可能调整方法。
In the presence of a background magnetic field, axion dark matter induces an electric field and can thus excite phonon-polaritons in suitable materials. We revisit the calculation of the axion-photon conversion power output from such materials, accounting for finite volume effects, and material losses. Our calculation shows how phonon-polaritons can be converted to propagating photons at the material boundary, offering a route to detecting the signal. Using the dielectric functions of GaAs, Al$_2$O$_3$, and SiO$_2$, a fit to our loss model leads to a signal of lower magnitude than previous calculations. We demonstrate how knowledge of resonances in the dielectric function can directly be used to calculate the sensitivity of any material to axion dark matter. We argue that a combination of low losses encountered at $\mathcal{O}(1)$ K temperatures and near future improvements in detector dark count allow one to probe the QCD axion in the mass range $m_a\approx 100$ meV. This provides further impetus to examine novel materials and further develop detectors in the THz regime. We also discuss possible tuning methods to scan the axion mass.
