Quantum Entanglement of Flux Qubits via a Resonator
A. Yu. Smirnov, A. M. Zagoskin
Abstract
We show that flux qubits can be efficiently entangled by inductive coupling to a tunable resonant circuit, in the scheme reminiscent of atoms' entanglement through the optical cavity mode. It is shown, in particular, that the single-photon excitation of the resonator produces the pure Bell state of qubits with the completely disentangled LC circuit.
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