Spiral Tuning of Wire-metamaterial Cavity for Plasma Haloscope
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arXiv
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| Autores principales: | , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866910030726430720 |
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| author | Lindahl, Jacob Balafendiev, Rustam Kaur, Gagandeep Singh, Gaganpreet Rosso, Andrea Gallo Conrad, Jan Gudmundsson, Jon E. Jeong, Junu |
| author_facet | Lindahl, Jacob Balafendiev, Rustam Kaur, Gagandeep Singh, Gaganpreet Rosso, Andrea Gallo Conrad, Jan Gudmundsson, Jon E. Jeong, Junu |
| contents | Axions are hypothetical particles that provide a compelling solution to two major mysteries in modern physics: the strong CP problem and the nature of dark matter. The plasma haloscope has been proposed as a promising approach for probing the higher-mass regime for dark matter axions by employing a periodic arrangement of conducting wires. In this work, we introduce a novel tuning mechanism for such wire-based structures by arranging the wires into a spiral configuration. This design enables continuous frequency tuning of 25% with a single central rotation while maintaining the form factor. It also achieves scanning speeds several times faster than traditional tuning approaches, primarily due to the circular perimeter geometry, making it well suited for solenoidal magnet bores. To validate the concept, we fabricated a prototype cavity with six spiral arms and experimentally demonstrated its feasibility, obtaining frequency tuning in close agreement with numerical simulations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_18145 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Spiral Tuning of Wire-metamaterial Cavity for Plasma Haloscope Lindahl, Jacob Balafendiev, Rustam Kaur, Gagandeep Singh, Gaganpreet Rosso, Andrea Gallo Conrad, Jan Gudmundsson, Jon E. Jeong, Junu High Energy Physics - Experiment Instrumentation and Detectors Axions are hypothetical particles that provide a compelling solution to two major mysteries in modern physics: the strong CP problem and the nature of dark matter. The plasma haloscope has been proposed as a promising approach for probing the higher-mass regime for dark matter axions by employing a periodic arrangement of conducting wires. In this work, we introduce a novel tuning mechanism for such wire-based structures by arranging the wires into a spiral configuration. This design enables continuous frequency tuning of 25% with a single central rotation while maintaining the form factor. It also achieves scanning speeds several times faster than traditional tuning approaches, primarily due to the circular perimeter geometry, making it well suited for solenoidal magnet bores. To validate the concept, we fabricated a prototype cavity with six spiral arms and experimentally demonstrated its feasibility, obtaining frequency tuning in close agreement with numerical simulations. |
| title | Spiral Tuning of Wire-metamaterial Cavity for Plasma Haloscope |
| topic | High Energy Physics - Experiment Instrumentation and Detectors |
| url | https://arxiv.org/abs/2508.18145 |