Repeat-Until-Success Generation of Symmetric States without External Control

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In the present paper, we propose a "repeat-until-success" scheme induced by single particle measurement to generate arbitrary symmetric states based on spin network. This protocol requires no modulated controls during the whole process and it provides a persistent approach towards the desired symmetric state. As a special case, we demonstrate that W state can be created with unit probability within this framework.
4 pages, 2 figures

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Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/129071

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/quant-ph/0604204
 http://arxiv.org/abs/quant-ph/0604204

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arXiv