The work identifies a fidelity crossover separating distillation-dominated and no-distillation regimes for remote entanglement in lattice surgery, with up to 100x or >50% resource savings depending on the side of the threshold.
This is a high-fidelity approximation to the exact depolarizing modelF(t) = 1 4 + F0− 1 4 e−t/τcoh, valid whenF(t)≫1/4
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Remote Entanglement in Lattice Surgery: To Distill, or Not to Distill
The work identifies a fidelity crossover separating distillation-dominated and no-distillation regimes for remote entanglement in lattice surgery, with up to 100x or >50% resource savings depending on the side of the threshold.