2000
DOI: 10.1103/physreva.62.041401
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Synthesis and characterization of entangled mesoscopic superpositions for a trapped electron

Abstract: We propose a scheme for the generation and reconstruction of entangled states between the internal and external (motional) degrees of freedom of a trapped electron. Such states also exhibit quantum coherence at a mesoscopic level.PACS numbers: 03.65. Bz, 42.50.Vk, 42.50.Dv A single electron trapped in a Penning trap [1] is one of the most fundamental quantum systems. Among its peculiar features, it allows the measurement of fundamental physical constants with striking accuracy. Recently, for instance, the e… Show more

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Cited by 7 publications
(11 citation statements)
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“…The cyclotron state is reconstructed with the use of a tomographic-like method, in which the phase of a reference driving field is varied. The application of the present method to several different states [17,18] confirms that it is quite stable and accurate.…”
Section: Resultssupporting
confidence: 58%
“…The cyclotron state is reconstructed with the use of a tomographic-like method, in which the phase of a reference driving field is varied. The application of the present method to several different states [17,18] confirms that it is quite stable and accurate.…”
Section: Resultssupporting
confidence: 58%
“…By using the explicit form for the wave functions q | x (22), toghether with the homogeneous property (29), it is possible to reduce the above equation to a very simple form…”
Section: A Limit Casesmentioning
confidence: 99%
“…It could describe one vibrational degree of a trapped electron plus its spin [38]. The measurability of tomograms in this system was investigated in [39].…”
Section: Husimi Representationsmentioning
confidence: 99%
“…where quantizers [ Djk ] W and [ Djk ] Q are defined by the similar formulas as in the case of optical tomography ( 17), ( 20) but the spinless optical quantizers must be replaced with the corresponding operators (38) and (39) [ Djk ] W (q, p) = DW (q, p) ⊗ Djk ,…”
Section: Husimi Representationsmentioning
confidence: 99%