Spin-Echo-Based Magnetometry with Spinor Bose-Einstein Condensates
Atomic Physics
2015-06-16 v1 Quantum Gases
Quantum Physics
Abstract
We demonstrate detection of a weak alternate-current magnetic field by application of the spin echo technique to F = 2 Bose-Einstein condensates. A magnetic field sensitivity of 12 pT/Hz^1/2 is attained with the atom number of 5*10^3 at spatial resolution of 99 \mu m^2. Our observations indicate magnetic field fluctuations synchronous with the power supply line frequency. We show that this noise is greatly suppressed by application of a reverse phase magnetic field. Our technique is useful in order to create a stable magnetic field environment, which is an important requirement for atomic experiments which require a weak bias magnetic field.
Cite
@article{arxiv.1306.1011,
title = {Spin-Echo-Based Magnetometry with Spinor Bose-Einstein Condensates},
author = {Yujiro Eto and Hayato Ikeda and Hirosuke Suzuki and Sho Hasegawa and Yasushi Tomiyama and Sawako Sekine and Mark Sadgrove and Takuya Hirano},
journal= {arXiv preprint arXiv:1306.1011},
year = {2015}
}
Comments
5 pages, 5figures