A proposed π-shaped nanowire device would entangle electron spins into Bell states and implement √SWAP and CNOT gates, but the supporting calculations contain internal inconsistencies.
Since, the channel is 1-dimensional (spin electrons are propagating along y- direction), there is a strong parabolic confinement along ‘x-’ and ‘y-’ directions
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A $\pi$-shaped Quantum Device for Implementation of Bell States in Solid State Environment
A proposed π-shaped nanowire device would entangle electron spins into Bell states and implement √SWAP and CNOT gates, but the supporting calculations contain internal inconsistencies.