Multiparticle Quantum Superposition and Stimulated Entanglement by Parity Selective Amplification of Entangled States
Open Access
- 1 February 2001
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung A
- Vol. 56 (1-2) , 61-66
- https://doi.org/10.1515/zna-2001-0110
Abstract
A multiparticle quantum superposition state has been generated by a novel phase-selective parametric amplifier of an entangled two-photon state. This realization is expected to open a new field of investigations on the persistence of the validity of the standard quantum theory for systems of increasing complexity, in a quasi decoherence-free environment. Because of its nonlocal structure the new system is expected to play a relevant role in the modem endeavor on quantum information and in the basic physics of entanglement. - Pacs: 03.65.Bz, 03.67.-a, 42.50.Ar, 89.70.+CKeywords
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