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Exchange spin funnel measurements for both qubits, revealing an increase (decrease) in f 1 ↑ , f 2 ↑ ( f 1 ↓ , f 2 ↓ ) at the upper (lower) branch. Data was taken at V B = −820 mV and ∣ B ∣ = 0.146 T with orientation α = 30°, β = 0°.

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