Monte Carlo simulations reveal error thresholds for 2D toric codes across five lattice geometries. Coordination number is primary, but geometric microstructure also significantly influences robustness—key for designing scalable quantum memories.

Monte Carlo simulations reveal error thresholds for 2D toric codes across five lattice geometries. Coordination number is primary, but geometric microstructure also significantly influences robustness—key for designing scalable quantum memories.