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Trapped Ion Quantum Computing Superconducting Qubits

Nonadiabatic corrections to fast dispersive multiqubit gates involving Z control

arXiv
Authors: L. S. Theis, F. K. Wilhelm

Year

2016

Paper ID

42509

Status

Preprint

Abstract Read

~2 min

Abstract Words

110

Citations

0

Abstract

We review a time-dependent version of the Schrieffer-Wolff transformation that accounts for real-time control of system parameters, soon to be rendered possible on a broad basis due to technical progress. The dispersive regime of N multilevel systems coupled to a cavity via a Jaynes-Cummings interaction is extended to the most general case. As a concrete example we rigorously apply the technique to dispersive two-qubit gates in a superconducting architecture, showing that fidelities based on previous models are off by up to 10-2, which is certainly relevant for high-fidelity gates compatible with fault-tolerant quantum information devices. A closed analytic form for the error depending on the target evolution closes our work.

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  • We review a time-dependent version of the Schrieffer-Wolff transformation that accounts for real-time control of system parameters, soon to be rendered possible on a broad...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1611.02490 [2] arXiv https://arxiv.org/abs/1611.02490 [3] Publisher https://arxiv.org/abs/1611.02490

Local Citation Graph (Related-Paper Links)

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External citation index: OpenAlex citation signal • updated 2026-06-14 03:03:09

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