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Effective Hamiltonian models of the cross-resonance gate

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arxiv 1804.04073 v2 pith:HOFJGNM3 submitted 2018-04-11 quant-ph

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keywords casecross-resonanceeffectivegatehamiltonianmethodsmodelresults
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Effective Hamiltonian methods are utilized to model the two-qubit cross-resonance gate for both the ideal two-qubit case and when higher levels are included. Analytic expressions are obtained in the qubit case and the higher-level model is solved both perturbatively and numerically with the solutions agreeing well in the weak drive limit. The methods are applied to parameters from recent experiments and accounting for classical cross-talk effects results in good agreement between theory and experimental results.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Lifetime renormalization of driven weakly anharmonic superconducting qubits: II. The readout problem

    quant-ph 2019-08 accept novelty 7.0 of 10

    Drive-activated number-nonconserving Josephson terms induce a correlated qubit-cavity relaxation channel that increases the qubit decay rate approximately linearly with the readout cavity photon number.

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