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Phys. Rev. A 59, 1025 - 1033 (1999)

Creation of entangled states of distant atoms by interference

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C. Cabrillo1, J. I. Cirac2, P. García-Fernández1, and P. Zoller2
1Instituto de Estructura de la Materia, Serrano 123, E-28006 Madrid, Spain
2Institut für Theoretische Physik, Universität Innsbruck, A-6020 Innsbruck, Austria

Received 28 September 1998

We propose a scheme to create distant entangled atomic states. It is based on driving two (or more) atoms with a weak laser pulse, so that the probability that two atoms are excited is negligible. If the subsequent spontaneous emission is detected, the entangled state is created. We have developed a model to analyze the fidelity of the resulting state as a function of the dimensions and location of the detector, and the motional properties of the atoms.


©1999 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevA.59.1025
DOI: 10.1103/PhysRevA.59.1025
PACS: 03.65.Bz, 42.50.Vk

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