The role of wire imperfections in micro magnetic traps for atoms

Preprint

1 March 2004

preprint
Published by arXiv in arXiv

Abstract

We present a quantitative study of roughness in the magnitude of the magnetic field produced by a current carrying microwire, {\it i.e.} in the trapping potential for paramagnetic atoms. We show that this potential roughness arises from deviations in the wire current flow due to geometric fluctuations of the edges of the wire : a measurement of the potential using cold trapped atoms agrees with the potential computed from the measurement of the wire edge roughness by a scanning electron microscope.

Keywords

WIRE IMPERFECTIONS
QUANTITATIVE STUDY
MICRO MAGNETIC
MAGNETIC TRAPS
TRAPPED ATOMS
WIRE EDGE
ROUGHNESS

All Related Versions

Version 1, 2004-03-01, ArXiv
Version 2, 2004-03-08, ArXiv
Version 3, 2004-03-10, ArXiv
Version 4, 2004-03-16, ArXiv
Version 5, 2004-07-23, ArXiv
Published version: Physical Review A, 70 (4), 043629.

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