30 December 2016 Quantum entanglement and quantum discord in dimers in multiple quantum NMR experiments
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Proceedings Volume 10224, International Conference on Micro- and Nano-Electronics 2016; 102242F (2016) https://doi.org/10.1117/12.2264353
Event: The International Conference on Micro- and Nano-Electronics 2016, 2016, Zvenigorod, Russian Federation
Abstract
Quantum correlations in multiple quantum (MQ) NMR experiments are investigated in two-spin systems (dimers). In the initial moment of time one spin is in a pure quantum polarized state and the other spin is in the thermodynamic equilibrium state defined by the temperature of the sample. MQ NMR dynamics of dimers is investigated. It is shown that MQ NMR coherences of only the zeroth and second orders emerge in such a system. The intensities of those coherences are calculated. Entangled states appear in the course of the system evolution in the MQ NMR experiment. The quantum discord is obtained in the high temperature approximation.
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S. A. Gerasev, S. A. Gerasev, E. I. Kuznetsova, E. I. Kuznetsova, } "Quantum entanglement and quantum discord in dimers in multiple quantum NMR experiments", Proc. SPIE 10224, International Conference on Micro- and Nano-Electronics 2016, 102242F (30 December 2016); doi: 10.1117/12.2264353; https://doi.org/10.1117/12.2264353
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