Phys. Rev. A 69, 022112 (2004) [5 pages]

Quantitative complementarity in two-path interferometry

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A. Bramon1, G. Garbarino2, and B. C. Hiesmayr1
1Grup de Física Teòrica, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Spain
2Departament d’Estructura i Constituents de la Matèria, Universitat de Barcelona, E-08028 Barcelona, Spain

Received 12 August 2003; published 23 February 2004

The quantitative formulation of Bohr’s complementarity proposed by Greenberger and Yasin is applied to some physical situations for which analytical expressions are available. This includes a variety of conventional double-slit experiments, but also particle oscillations, as in the case of the neutral-kaon system, and Mott scattering of identical nuclei. For all these cases, a unified description can be achieved including a new parameter ν, which quantifies the effective number of fringes one can observe in each specific interferometric setup.


©2004 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevA.69.022112
DOI: 10.1103/PhysRevA.69.022112
PACS: 03.65.Ta, 14.40.Aq, 42.25.Hz

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