Trapping cold atoms near carbon nanotubes: thermal spin flips and Casimir-Polder potential

Details Trapping cold atoms near carbon nanotubes: thermal spin flips and Casimir-Polder potential Trapping cold atoms near carbon nanotubes: thermal spin flips and Casimir-Polder potential

2007-03-16

arxiv.org/abs/quant-ph/0703155v2

Physics

Quantum Physics

8 pages, 3 figures

Scientific paper

10.1103/PhysRevA.75.062905

We investigate the possibility to trap ultracold atoms near the outside of a metallic carbon nanotube (CN) which we imagine to use as a miniaturized current-carrying wire. We calculate atomic spin flip lifetimes and compare the strength of the Casimir-Polder potential with the magnetic trapping potential. Our analysis indicates that the Casimir-Polder force is the dominant loss mechanism and we compute the minimum distance to the carbon nanotube at which an atom can be trapped.

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