Nonlocal de Broglie Wavelength of a Two-Photon System

E. J. S. Fonseca 1 , Zoltan Paulinia 1 , P. Nussenzveig 2 , C. H. Monkena 1 ,  and S. Padua 1 , 3
  • 1 Departamento de Fisica, Universidade Federal de Minas Gerais, Caixa Postal 702, Belo Horizonte, MG 30123-970, Brazil
  • 2 Instituto de Fisica, Universidade de Säo Paulo Caixa Postal 66318, Säo Paulo, SP 05315-970, Brazil
  • 3 Dipartimento di Fisica, Universitä degli Studi di Roma “La Sapienza”, Roma, 00185, Italy

Abstract

We show that it is possible to associate a de Broglie wavelength to a composite system even when the constituent particles are separated spatially. The nonlocal de Broglie wavelength (A /2) of a two-photon system separated spatially is measured with an appropriate detection system. The two-photon system is prepared in an entangled state in space-momentum variables. - Pacs: 42.50.-p, 42.50.Ar

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A Journal of Physical Sciences: Zeitschrift für Naturforschung A (ZNA) is an international scientific journal which publishes original research papers from all areas of experimental and theoretical physics. In accordance with the name of the journal, which means “Journal for Natural Sciences”, manuscripts submitted to ZNA should have a tangible connection to actual physical phenomena.

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