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Quantum state preparation in circuit QED via Landau-Zener tunneling

Quantum state preparation in circuit QED via Landau-Zener tunneling,10.1209/epl/i2006-10232-4,Europhysics Letters (epl),Keiji Saito,Martijn Wubs,Sigmu

Quantum state preparation in circuit QED via Landau-Zener tunneling   (Citations: 4)
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We study a qubit undergoing Landau-Zener transitions enabled by the coupling to a circuit-QED mode. Summing an infinite-order perturbation series, we determine the exact nonadiabatic transition probability for the qubit, being independent of the frequency of the QED mode. Possible applications are single-photon generation and the controllable creation of qubit-oscillator entanglement.
Journal: Europhysics Letters (epl) , vol. 76, no. 1, pp. 22-28, 2006
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