High-Q superconducting lumped-element resonators for low-mass axion searches

Kolevatov, Roman [Princeton University, NJ (United States)] (ORCID:0000000206039622); Chaudhuri, Saptarshi [Princeton University, NJ (United States)] (ORCID:0000000206830983); Page, Lyman [Princeton University, NJ (United States)] (ORCID:0000000298283525)

doi:10.1063/5.0311286

DOE OSTI · 3573288

High-Q superconducting lumped-element resonators for low-mass axion searches

Kolevatov, Roman [Princeton University, NJ (United States)] (ORCID:0000000206039622)·Chaudhuri, Saptarshi [Princeton University, NJ (United States)] (ORCID:0000000206830983)·Page, Lyman [Princeton University, NJ (United States)] (ORCID:0000000298283525)

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Abstract

Low-frequency superconducting lumped-element resonators have recently attracted significant attention in the context of axion dark matter searches. Here, we present the design and implementation of a fixed-frequency superconducting resonator operating near 250 kHz, possessing an inductor volume of ∼1 liter and achieving an unloaded quality factor Q ≈ 2.1 × 10 6 . This resonator represents a significant improvement over the state of the art and informs the design of searches for low-mass axions.

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Kolevatov, Roman [Princeton University, NJ (United States)] (ORCID:0000000206039622), Chaudhuri, Saptarshi [Princeton University, NJ (United States)] (ORCID:0000000206830983), Page, Lyman [Princeton University, NJ (United States)] (ORCID:0000000298283525). 2026-02-19. High-Q superconducting lumped-element resonators for low-mass axion searches. https://doi.org/10.1063/5.0311286

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