Abstract
We study the dynamics of quantum discord and entanglement between a superconducting qubit and a data bus, which is driven by a controllable time-dependent electromagnetic field, in the presence of phase decoherence and find that the quantum discord and entanglement remain at a stationary non-zero value for long time evolution. It is shown that the amount of stationary quantum discord and entanglement can be enhanced by applying the time-dependent electromagnetic field.
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