A coherent two-level system residing in the tunable coupler is shown to couple simultaneously to two distant qubits, producing tunable non-local non-Markovian decoherence and a 1/f noise spectrum spanning ten orders of magnitude.
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quant-ph 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
Empirically learned dynamical decoupling sequences reduce average error rates in dynamic quantum circuits by a factor of three and enable nontrivial process fidelity for quantum Fourier transforms on up to 20 qubits.
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Non-Local and Non-Markovian Effects of a Microscopic Two-Level Defect in Superconducting Quantum Circuits
A coherent two-level system residing in the tunable coupler is shown to couple simultaneously to two distant qubits, producing tunable non-local non-Markovian decoherence and a 1/f noise spectrum spanning ten orders of magnitude.
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Learning error suppression strategies for dynamic quantum circuits
Empirically learned dynamical decoupling sequences reduce average error rates in dynamic quantum circuits by a factor of three and enable nontrivial process fidelity for quantum Fourier transforms on up to 20 qubits.