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Computer-aided quantization and numerical analysis of superconducting circuits

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arxiv 2206.08320 v2 pith:KX2YGOHQ submitted 2022-06-16 quant-ph

classification quant-ph
keywords circuitscircuitanalysisnumericalpropertiessuperconductingworkaccessible
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The development of new superconducting circuits and the improvement of existing ones rely on the accurate modeling of spectral properties which are key to achieving the needed advances in qubit performance. Systematic circuit analysis at the lumped-element level, starting from a circuit network and culminating in a Hamiltonian appropriately describing the quantum properties of the circuit, is a well-established procedure, yet cumbersome to carry out manually for larger circuits. We present work utilizing symbolic computer algebra and numerical diagonalization routines versatile enough to tackle a variety of circuits. Results from this work are accessible through a newly released module of the scqubits package.

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Cited by 2 Pith papers

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

  1. Transmon-assisted high-fidelity controlled-Z gates for integer fluxonium qubits

    quant-ph 2025-09 conditional novelty 6.0 of 10

    Proposed transmon-coupler schemes for integer fluxoniums achieve simulated controlled-Z coherent errors near 1e-6 in tens of nanoseconds, plus static ZZ cancellation.

  2. Augmenting Simulated Noisy Quantum Data Collection by Orders of Magnitude Using Pre-Trajectory Sampling with Batched Execution

    quant-ph 2025-04 conditional novelty 6.0 of 10

    Pre-sampling error sets before state evolution and batching shot collection makes noisy quantum trajectory simulation up to 10^6x faster at generating data, demonstrated on 35-qubit and 85-qubit error-correction circuits.

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