Dipole-field contributions to geometric-phase-induced false electric-dipole-moment signals for particles in traps
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH (United Kingdom)
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 <{partial_derivative}B{sub z}/{partial_derivative}z>.
- OSTI ID:
- 20786798
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 1 Vol. 73; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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