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Dipole-field contributions to geometric-phase-induced false electric-dipole-moment signals for particles in traps

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journal contribution
posted on 2023-06-08, 07:35 authored by Philip Harris, J M Pendlebury
It has been shown in an earlier publication [ J. Pendlebury et al. Phys. Rev. A 70 032102 (2004)] that magnetic-field gradients applied to particles in traps can induce Larmor frequency shifts that may falsely be interpreted as electric-dipole moment signals. This study has now been extended to include nonuniform magnetic-field gradients due to the presence of a local magnetic dipole. It is found that, in the high orbit-frequency regime, .the magnitude of the shifts can be enhanced beyond the simple expectation of proportionality to the volume-averaged magnetic-field gradient ??Bz/?z?.

History

Publication status

  • Published

File Version

  • Published version

Journal

Physical Review A

ISSN

1050-2947

Publisher

American Physical Society

Issue

1

Volume

73

Page range

014101

Department affiliated with

  • Physics and Astronomy Publications

Notes

Further to our earlier work on geometric-phase induced false EDMs, I developed the detailed simulations that uncovered this small additional effect. Pendlebury did some analytic work to back it up. I wrote the paper.

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

First Open Access (FOA) Date

2016-03-22

First Compliant Deposit (FCD) Date

2016-11-16

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