Cavity, lumped-circuit, and spin-based detection of axion dark matter: differences and similarities
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2026
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| author | Aybas, Deniz Bekker, Hendrik Budker, Dmitry Ji, Wei Kim, On Kim, Younggeun Kimball, Derek F. Jackson Liu, Jia Ma, Xiaolin Salemi, Chiara P. Semertzidis, Yannis K. Sushkov, Alexander O. Wei, Kai Wickenbrock, Arne Zhang, Yuzhe |
| author_facet | Aybas, Deniz Bekker, Hendrik Budker, Dmitry Ji, Wei Kim, On Kim, Younggeun Kimball, Derek F. Jackson Liu, Jia Ma, Xiaolin Salemi, Chiara P. Semertzidis, Yannis K. Sushkov, Alexander O. Wei, Kai Wickenbrock, Arne Zhang, Yuzhe |
| contents | Axions and axion-like particles are compelling candidates for ultralight bosonic dark matter, forming coherent oscillating fields that can be probed by experiments known as haloscopes. A broad range of haloscope concepts has been developed, including resonant cavity haloscopes, lumped-element circuit detectors, and spin-based experiments, each sensitive to different axion couplings and mass ranges. Rather than attempting an exhaustive survey of all existing approaches, this comparative review provides a unified framework for the major haloscope classes, establishing a common language for the descriptions of signal generation, noise properties, data analysis, and scanning strategies.
Key properties of ultralight bosonic dark matter relevant for detection are summarized first, including coherence time, spectral linewidth, and stochasticity under the standard halo model. The discussion then compares cavity, Earth-scale, lumped-element, and spin haloscopes, focusing on expected signal shapes, dominant noise sources, and statistical frameworks for axion searches. Particular emphasis is placed on consistent definitions of signal-to-noise ratio and on how detector bandwidth, axion coherence, and noise characteristics determine optimal scan strategies.
By systematically comparing operating principles and performance metrics across these detector families, this framework clarifies shared concepts as well as the essential differences that govern sensitivity in different mass and coupling regimes. The resulting perspective synthesizes current search methodologies and offers guidance for optimizing future haloscope experiments. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2602_06726 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Cavity, lumped-circuit, and spin-based detection of axion dark matter: differences and similarities Aybas, Deniz Bekker, Hendrik Budker, Dmitry Ji, Wei Kim, On Kim, Younggeun Kimball, Derek F. Jackson Liu, Jia Ma, Xiaolin Salemi, Chiara P. Semertzidis, Yannis K. Sushkov, Alexander O. Wei, Kai Wickenbrock, Arne Zhang, Yuzhe High Energy Physics - Phenomenology High Energy Physics - Experiment Axions and axion-like particles are compelling candidates for ultralight bosonic dark matter, forming coherent oscillating fields that can be probed by experiments known as haloscopes. A broad range of haloscope concepts has been developed, including resonant cavity haloscopes, lumped-element circuit detectors, and spin-based experiments, each sensitive to different axion couplings and mass ranges. Rather than attempting an exhaustive survey of all existing approaches, this comparative review provides a unified framework for the major haloscope classes, establishing a common language for the descriptions of signal generation, noise properties, data analysis, and scanning strategies. Key properties of ultralight bosonic dark matter relevant for detection are summarized first, including coherence time, spectral linewidth, and stochasticity under the standard halo model. The discussion then compares cavity, Earth-scale, lumped-element, and spin haloscopes, focusing on expected signal shapes, dominant noise sources, and statistical frameworks for axion searches. Particular emphasis is placed on consistent definitions of signal-to-noise ratio and on how detector bandwidth, axion coherence, and noise characteristics determine optimal scan strategies. By systematically comparing operating principles and performance metrics across these detector families, this framework clarifies shared concepts as well as the essential differences that govern sensitivity in different mass and coupling regimes. The resulting perspective synthesizes current search methodologies and offers guidance for optimizing future haloscope experiments. |
| title | Cavity, lumped-circuit, and spin-based detection of axion dark matter: differences and similarities |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2602.06726 |