Comment on `Spin Decoherence in Superconducting Atom Chips'

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dc.creatorScheel, Stefan
dc.creatorHinds, E. A.
dc.creatorKnight, P. L.
dc.date2006-10-12
dc.date2006-10-12
dc.date.accessioned2026-07-07T07:30:21Z
dc.date.available2026-07-07T07:30:21Z
dc.descriptionWe comment on a recent paper [Phys. Rev. Lett. 97, 070401 (2006): quant-ph/0603229] concerning rubidium atoms trapped near a superconducting niobium surface at ~4K. This seeks to calculate the rate of atomic spin flips induced by thermal magnetic noise. We point out that the calculation is in error by a large factor because it is based on the two-fluid model of superconductivity. This model gives a poor description of electromagnetic dissipation just below the critical temperature because it cannot incorporate the case II coherences of a fuller quantum theory.
dc.description1 page comment
dc.identifierhttps://arxiv.org/abs/quant-ph/0610095
dc.identifierhttp://arxiv.org/abs/quant-ph/0610095
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/118430
dc.subjectQuantum Physics
dc.titleComment on `Spin Decoherence in Superconducting Atom Chips'
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