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Santra, S. ., Muralidharan, S. ., Lichtman, M. ., Jiang, L. ., Monroe, C. ., & Malinovsky, V. S. (2019). Quantum repeaters based on two species trapped ions. New Journal of Physics, 21. http://doi.org/10.1088/1367-2630/ab2a45 (Original work published May 2019)