Manipulating the Electromagnetic Field in Wire Media Resonators for Enhanced Axion Detection

Le résumé fourni par la source

Microwave cavities have been proposed for detecting particles such as axions, a leading dark matter candidate. Key parameters influencing axion detection include the resonance quality factor, cavity volume, and form factor, which quantifies field homogeneity. We present a simple and effective method to control field homogeneity in wire medium (WM)-filled cavities by introducing an air gap between the WM and the cavity walls. Notably, when the air gap equals a quarter of the plasma wavelength, the field inside the cavity becomes highly uniform, thereby enhancing axion detection potential.

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