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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 | Abstract: | A 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 | Services: | Forum | Review | PDF | Favorites |
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