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quant-ph2026★ 1 cited
Qubit-qudit entanglement transfer in defect centers with high-spin nuclei
W. -R. Hannes, Guido Burkard
We propose a scheme for accumulating entanglement between long-lived qudits provided by central nuclear spins of defect centers. Assuming a generic setting, the electron spin of ea…
quant-ph2026
Inherent flux crosstalk and coupler-driven single-qubit gates in superconducting circuits
Balázs Gulácsi, Guido Burkard
Crosstalk refers to unwanted qubit addressing. This is particularly detrimental when scaling up quantum information systems because unintended interactions limit their overall perf…
quant-ph2025
Fast quantum gates for exchange-only qubits using simultaneous exchange pulses
Irina Heinz, Felix Borjans, Matthew J. Curry +6
The benefit of exchange-only qubits compared to other spin qubit types is the universal control using only voltage controlled exchange interactions between neighboring spins. As a…