发表机构
Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology; Bucknell University（高能物理研究所（IFAE），巴塞罗那科技研究所; 巴克内尔大学）
机构由 AI 辅助整理，请以论文原文为准。AI 中文总结
研究超轻玻色子暗物质，利用地球将其转换为可探测磁场的“地球换能器”效应，推导多种模型的该效应及特性，探讨探测前景，为探测特定质量范围的超轻玻色子暗物质提供有力手段。
AI 中文摘要
与电磁耦合的超轻玻色子暗物质（UBDM）可在地球表面产生振荡磁场信号，即“地球换能器”效应，地球将UBDM转换为可探测磁场。实验室实验中类似暗物质诱导场通常与实验尺寸L成比例，而地球换能器信号与地球大半径R成比例，是探测质量\(m_\mathrm{DM}\lesssim1/R\sim3\times10^{-14}\,\mathrm{eV}\)的UBDM最有力的直接探测手段之一，具有诸多有利特性。本文推导了多种UBDM模型的地球换能器效应及其特性，并讨论了探测它的当前和未来前景。
英文摘要
Ultralight bosonic dark matter (UBDM) that couples to electromagnetism can generate an oscillating magnetic-field signal at the Earth's surface. This is referred to as the ``Earth transducer" effect, as the Earth converts UBDM into a detectable magnetic field. Similar DM-induced fields in laboratory experiments typically scale with the size $L$ of the experiment. Because the Earth transducer signal instead scales with the large radius of the Earth, $R$, it is one of the most powerful direct probes of UBDM with masses $m_\mathrm{DM}\lesssim1/R\sim3\times10^{-14}\,\mathrm{eV}$. It has many other favorable properties, such as high spatial and temporal coherence and robustness to atmospheric modeling. In this review, we derive the Earth transducer effect and its properties for multiple UBDM models, and discuss current and future prospects to detect it.
Comments18 pages, 4 figures; v3 includes results from Munich group
Journal refUniverse 2026, 12(8), 236
