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Dynamics of quantum discord of two coupled spin-1/2 subjected to time-dependent magnetic fields

By Roberto Grimaudo and others
We describe the dynamics of quantum discord of two interacting spin-1/2 subjected to controllable time-dependent magnetic fields. The exact time evolution of discord is given for various input mixed states consisting of classical mixtures of two Bell states. The quantum discord manifests a complex oscillatory behaviour in time and is... Show more
January 19, 2021
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Dynamics of quantum discord of two coupled spin-1/2 subjected to time-dependent magnetic fields
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