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A radio-frequency Bose–Einstein condensate magnetometer
Author(s) -
Y. Cohen,
Benjamin Maddox,
Cameron Deans,
Luca Marmugi,
Ferruccio Renzoni
Publication year - 2022
Publication title -
applied physics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.182
H-Index - 442
eISSN - 1077-3118
pISSN - 0003-6951
DOI - 10.1063/5.0090776
Subject(s) - magnetometer , sensitivity (control systems) , trap (plumbing) , physics , bose–einstein condensate , radio frequency , volume (thermodynamics) , phase (matter) , nuclear magnetic resonance , dipole , atomic physics , frequency standard , magnetic field , optics , condensed matter physics , electrical engineering , electronic engineering , quantum mechanics , meteorology , engineering
We report on a radio frequency magnetometer employing a Bose–Einstein condensate of 87 Rb atoms held in a dipole trap. An AC sensitivity of [Formula: see text] is achieved at a probing volume of [Formula: see text], leading to a volume-normalized sensitivity of [Formula: see text]. At larger probing volumes with the atoms released from the magnetic trap used in the initial phase of the evaporation sequence, the AC sensitivity is improved to [Formula: see text], allowing a two-mode approach for applications requiring improved sensitivity. Immediate application in high-resolution electromagnetic induction imaging is expected when compared to performance of other induction-based imaging platforms.

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