Characterization of ion-trap-induced ac-magnetic fields

2024/05/29 by Manoj K. Joshi, Joshi, Manoj K., Milena Guevara-Bertsch +7 · 1 citation
Chemistry · Engineering · Physics and Astronomy · #Atomic Physics (physics.atom-ph) #Atomic and Molecular Physics #FOS: Physical sciences #Ion-surface interactions and analysis #Mass Spectrometry Techniques and Applications #Quantum Physics (quant-ph)

paper · pdf · doi:10.48550/arxiv.2405.18883

openalex publication_date 2024/05/29 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01

Abstract

The oscillating magnetic field produced by unbalanced currents in radio-frequency ion traps induces transition frequency shifts and sideband transitions that can be harmful to precision spectroscopy experiments. Here, we describe a methodology, based on two-photon spectroscopy, for determining both the strength and direction of rf-induced magnetic fields without modifying any DC magnetic bias field or changing any trap RF power. The technique is readily applicable to any trapped-ion experiment featuring narrow linewidth transitions.

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