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29 March 2024
 
  » arxiv » quant-ph/0501128

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Effect of cavity photons on the generation of multi-particle entanglement
Che-Ming Li ; Y.-N. Chen ; C.-W. Luo ; Jin-Yuan Hsieh ; Der-San Chuu ;
Date 23 Dec 2004
Subject quant-ph
AbstractA study on the cause of the multi-particle entanglement is presented in this work. We investigate how dot-like single quantum well excitons, which are independently coupled through a single microcavity mode, evolve into maximally entangled state as a series of conditional measurements are taken on the cavity field state. We first show how cavity photon affects the entanglement purity of the double-exciton Bell state and the triple-exciton W state. Generalization to multi-excitons W states is then derived analytically. Our results pave the way for studying the crucial cause of multi-particle collective effect.
Source arXiv, quant-ph/0501128
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