Abstract
We propose a scheme for the preparation of three-qutrit singlet states with three long-life V-type trapped ions. An adiabatic-passage technique is used to keep the ion-phonon system within a subspace of dark states and let the center of mass mode virtually excited with the choice of a small detuning. Moreover, the numerical and experimental analysis shows that the scheme may be feasible based on current technologies.
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Acknowledgments
This work is supported partly by the fund of Natural Science Foundation of China (61308012 and 61275215) and partly by the fund of Natural Science Foundation of Fujian Province (Grant Nos. 2013J01008 and 2012J01004) and Fujian educational department (JA14075, JB13021 and JB12014).
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Yang, RC., Ye, LX., Lin, X. et al. Generation of three-qutrit singlet states with trapped ions via adiabatic passage. Quantum Inf Process 14, 4449–4459 (2015). https://doi.org/10.1007/s11128-015-1130-x
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DOI: https://doi.org/10.1007/s11128-015-1130-x