A DC-voltage-biased Josephson junction circuit is proposed to deliver larger two-to-one photon exchange rates for cat-qubit stabilization while suppressing resonant Kerr and cross-Kerr terms via dynamical averaging.
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Path-integral derivation of non-perturbative switching rates for bistable open quantum systems obeying hidden time-reversal symmetry, with direct application to bit-flip rates in dissipative cat qubits.
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A cat qubit stabilization scheme using a voltage biased Josephson junction
A DC-voltage-biased Josephson junction circuit is proposed to deliver larger two-to-one photon exchange rates for cat-qubit stabilization while suppressing resonant Kerr and cross-Kerr terms via dynamical averaging.
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Non-perturbative switching rates in bistable open quantum systems: from driven Kerr oscillators to dissipative cat qubits
Path-integral derivation of non-perturbative switching rates for bistable open quantum systems obeying hidden time-reversal symmetry, with direct application to bit-flip rates in dissipative cat qubits.