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Generation of singlet states with Rydberg blockade mechanism and driven by adiabatic passage

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Abstract

A single state is a special state that entangles multi-state quantum systems and plays a significant role in the field of quantum computation. In this paper, we propose a scheme to realize the generation of single states for Rydberg atoms, where one Rydberg atom is trapped in an optical potential and the others are trapped in an adjacent optical potential. Moreover, combining Rydberg blockade and adiabatic-passage technologies, an N-atom singlet state can be generated with the interaction of an N-dimensional Rydberg atom and an (\(N-1\))-atom singlet state. Compared to previous schemes, the advantage of our proposal is that an N-particle N-level singlet state with \(N\ge 3\) may be realized more simply.

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Acknowledgments

We would like to thank Y. Xia for helpful suggestions. This work is supported by the National Natural Science Foundation of China (Grant Nos. 61308012 and 61275215), the Natural Science Foundation of Fujian Province of China (Grant Nos. 2013J01008 and 2012J01004), and the Foundation of Fujian educational department (Grant Nos. JA14075, JB13021 and JB12014).

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Authors and Affiliations

  1. Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials, College of Physics and Energy, Fujian Normal University, Fuzhou, 350007, China

    Rong-Can Yang, Xiu Lin, Li-Xiang Ye, Xiang Chen & Juan He

  2. College of Science, Yanbian University, Yanji, 133002, China

    Hong-Yu Liu

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  1. Rong-Can Yang
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  2. Xiu Lin
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  3. Li-Xiang Ye
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Correspondence to Rong-Can Yang.

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Yang, RC., Lin, X., Ye, LX. et al. Generation of singlet states with Rydberg blockade mechanism and driven by adiabatic passage. Quantum Inf Process 15, 731–740 (2016). https://doi.org/10.1007/s11128-015-1188-5

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