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Superconducting Qubits Quantum Simulation

Simultaneous bistability of qubit and resonator in circuit quantum electrodynamics

arXiv
Authors: Th. K. Mavrogordatos, G. Tancredi, M. Elliott, M. J. Peterer, A. Patterson, J. Rahamim, P. J. Leek, E. Ginossar, M. H. Szymańska

Year

2016

Paper ID

42103

Status

Preprint

Abstract Read

~2 min

Abstract Words

98

Citations

N/A

Abstract

We explore the joint activated dynamics exhibited by two quantum degrees of freedom: a cavity mode oscillator which is strongly coupled to a superconducting qubit in the strongly coherently driven dispersive regime. Dynamical simulations and complementary measurements show a range of parameters where both the cavity and the qubit exhibit sudden simultaneous switching between two metastable states. This manifests in ensemble averaged amplitudes of both the cavity and qubit exhibiting a partial coherent cancellation. Transmission measurements of driven microwave cavities coupled to transmon qubits show detailed features which agree with the theory in the regime of simultaneous switching.

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  • We explore the joint activated dynamics exhibited by two quantum degrees of freedom: a cavity mode oscillator which is strongly coupled to a superconducting qubit in the...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1611.10354 [2] arXiv https://arxiv.org/abs/1611.10354 [3] Publisher https://arxiv.org/abs/1611.10354

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