2024
Driving superconducting qubits into chaos
Chávez-Carlos J, Reynoso M, Cortiñas R, García-Mata I, Batista V, Pérez-Bernal F, Wisniacki D, Santos L. Driving superconducting qubits into chaos. Quantum Science And Technology 2024, 10: 015039. DOI: 10.1088/2058-9565/ad93fb.Peer-Reviewed Original ResearchKerr-cat qubitsSuperconducting circuitsQuantum computationFault-tolerant quantum computationKerr parametric oscillatorQuantum chaosQuantum informationRegion of validityParametric oscillatorQubitsGate timeInduce chaosIncreasing nonlinearitiesPotential building blocksChaosKerrOscillationsGateNonlinearityRealizationCircuit
2023
Spectral kissing and its dynamical consequences in the squeeze-driven Kerr oscillator
Chávez-Carlos J, Lezama T, Cortiñas R, Venkatraman J, Devoret M, Batista V, Pérez-Bernal F, Santos L. Spectral kissing and its dynamical consequences in the squeeze-driven Kerr oscillator. Npj Quantum Information 2023, 9: 76. PMID: 38665256, PMCID: PMC11041765, DOI: 10.1038/s41534-023-00745-1.Peer-Reviewed Original ResearchExcited-state quantum phase transitionsQuantum phase transitionQuantum information processingFundamental physics questionsTime-ordered correlatorsPhase transitionDynamical consequencesCold atomsTransmon qubitsQuantum computerIon trapKerr oscillatorsPhysics questionsExcited statesCircuit platformPeriodic revivalsEffective HamiltonianTransmonNonlinear oscillatorsQubitsInformation processingOscillatorSlow evolutionTransitionEngineering implementation