|
| related topics |
| {force, casimir, field} |
| {temperature, thermal, energy} |
| {cavity, atom, atoms} |
| {trap, ion, state} |
| {level, atom, field} |
| {spin, pulse, spins} |
| {light, field, probe} |
| {information, entropy, channel} |
|
Reduction of Magnetic Noise in Atom Chips by Material Optimization
V. Dikovsky, Y. Japha, C. Henkel, R. Folman
abstract: We discuss the contribution of the material type in metal wires to the
electromagnetic fluctuations in magnetic microtraps close to the surface of an
atom chip. We show that significant reduction of the magnetic noise can be
achieved by replacing the pure noble metal wires with their dilute alloys. The
alloy composition provides an additional degree of freedom which enables a
controlled reduction of both magnetic noise and resistivity if the atom chip is
cooled. In addition, we provide a careful re-analysis of the magnetically
induced trap loss observed by Yu-Ju Lin et al. [Phys. Rev. Lett. 92, 050404
(2004)] and find good agreement with an improved theory.
- oai_identifier:
- oai:arXiv.org:quant-ph/0504027
- categories:
- quant-ph
- comments:
- 25 pages with 9 figures eps
- doi:
- 10.1140/epjd/e2005-00203-9
- arxiv_id:
- quant-ph/0504027
- created:
- 2005-04-05
- updated:
- 2005-06-05
Full article ▸
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