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Generation of Multi-electron Entanglement with Quantum-Dot Spins in Double-Sided Optical Microcavity Systems

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Abstract

We propose theoretical schemes to generate n-electron GHZ state, n-electron cluster state, and four-electron |χ〉 state by using quantum-dot spins in double-sided optical microcavities. With single-photon detection and local unitary operations, these entangled states could be deterministically generated. The fidelities of our schemes are also calculated, which illustrate that our schemes have high performance under appropriate parameter conditions.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China under Grant Nos. 61068001 and 11264042; the Program for Chun Miao Excellent Talents of Jilin Provincial Department of Education under Grant No. 201316; and the Talent Program of Yanbian University of China under Grant No. 950010001.

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Authors and Affiliations

  1. Department of Physics, College of Science, Yanbian University, Yanji, Jilin, 133002, People’s Republic of China

    A-Peng Liu, Hong-Fu Wang & Shou Zhang

  2. Center for the Condensed-Matter Science and Technology, Department of Physics, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, People’s Republic of China

    Shi-Lei Su & Liu-Yong Cheng

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  1. A-Peng Liu
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  2. Shi-Lei Su
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  3. Liu-Yong Cheng
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  4. Hong-Fu Wang
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  5. Shou Zhang
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Correspondence to Shou Zhang.

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Liu, AP., Su, SL., Cheng, LY. et al. Generation of Multi-electron Entanglement with Quantum-Dot Spins in Double-Sided Optical Microcavity Systems. Int J Theor Phys 52, 3892–3901 (2013). https://doi.org/10.1007/s10773-013-1699-8

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  • DOI: https://doi.org/10.1007/s10773-013-1699-8

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