A numerically optimized Rydberg atom chain can transfer single excitations at the quantum speed limit, with extrapolated entanglement distribution over roughly 54 atoms at 300 K and 90 atoms at 4 K.
The problem is further simplified by exploiting the mir- ror symmetry of the perfect transport condition, which imposes ∆l = ∆L+1−l andx l =x L+1−l
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Distributing entanglement at the quantum speed limit in Rydberg chains
A numerically optimized Rydberg atom chain can transfer single excitations at the quantum speed limit, with extrapolated entanglement distribution over roughly 54 atoms at 300 K and 90 atoms at 4 K.