A new microscopic model maps quantum dot device geometry directly to flopping-mode qubit parameters, reveals a tradeoff between fast electric driving and clean Rabi oscillations, and derives exchange coupling for capacitively coupled qubits.
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Spin-dependent magnetotunneling corrections preserve and create new sweet spots for hole spins in double quantum dots, explaining observations in shuttling and cQED experiments.
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Microscopic modeling of flopping-mode quantum dot spin qubits
A new microscopic model maps quantum dot device geometry directly to flopping-mode qubit parameters, reveals a tradeoff between fast electric driving and clean Rabi oscillations, and derives exchange coupling for capacitively coupled qubits.
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Sweet-spot protection of hole spins in sparse arrays via spin-dependent magnetotunneling
Spin-dependent magnetotunneling corrections preserve and create new sweet spots for hole spins in double quantum dots, explaining observations in shuttling and cQED experiments.