论文标题
瞥见：基于石墨烯的超光线无形物质粒子搜索
GLIMPSE: Graphene-based super-Light Invisible Matter Particle SEarch
论文作者
论文摘要
我们提出了一种新的深色 - 物体检测策略，该策略将有可能使搜索超光线$m_χ\ simeq 0.1 $ keV，与正在进行的实验相比，将最小可检测质量提高了三个以上的数量级。这可以通过紧密整合目标材料，特别是石墨烯中的$π$键电子来实现，以创建一个高度敏感的检测器，能够从暗物质中检测到小至$ \ sim 0.1 $ MEV的能量沉积物。我们通过计算限制在二维石墨烯中的暗物质和游离电子之间的散射速率（包括Pauli-Blocking因子和中等筛查效果），研究了PG-，NG-和$ $ G级检测器的检测前景。我们发现，提出的检测器不仅可以用作超光暗物质的互补探针，而且还具有比其他提议的实验更高的实验敏感性，这要归功于零读数噪声，这要归功于我们的石墨烯约瑟夫森连接器的极低阈值。
We propose a new dark-matter detection strategy that will potentially enable the search for super-light dark matter $m_χ\simeq 0.1$ keV, improving the minimum detectable mass by more than three orders of magnitude compared to ongoing experiments. This can be achieved by intimately integrating the target material, specifically the $π$-bond electrons in graphene, into a Josephson junction to create a highly sensitive detector capable of detecting energy deposits from dark matter as small as $\sim 0.1$ meV. We investigate detection prospects of pg-, ng-, and $μ$g-scale detectors by calculating the scattering rate between dark matter and free electrons confined in two-dimensional graphene, including Pauli-blocking factors and in-medium screening effects. We find that the proposed detector is expected to not only serve as a complementary probe of super-light dark matter but also achieve higher experimental sensitivities than other proposed experiments, assuming zero readout noise, thanks to the extremely low threshold energy of our graphene Josephson junction sensor.
