Multi-neighbor interactions enable unit-fidelity controlled-phase gates for distinguishable quantum walkers, making the architecture competitive with indistinguishable-particle designs despite slightly lower intrinsic scattering fidelity.
IIB1, the case of indistinguish- able particles can be straightforwardly derived from the results of the distinguishable case, by using the expres- sions ofRandTwritten above
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High-fidelity controlled-phase gates for distinguishable quantum walkers via extended interactions
Multi-neighbor interactions enable unit-fidelity controlled-phase gates for distinguishable quantum walkers, making the architecture competitive with indistinguishable-particle designs despite slightly lower intrinsic scattering fidelity.