Learning Nonmarkovian Quantum Noise From Moirenhanced Swap Spectroscopy With Deep Evolutionary Algorithm

Hartmut Neven

paper · 2019-12-09

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“In this work, we derive the non-Markovian dynamics between TLS and qubits during a SWAP-like two-qubit gate and the associated average gate fidelity for frequency-tunable Transmon qubits. This gate dependent error model facilitates using qubits as sensors to simultaneously learn practical imperfections in both the qubit's environment and control waveforms.”