Almost any quantum spin system with short-range interactions can support toric codes
arXiv:quant-ph/0111035 · doi:10.1016/S0375-9601(02)00068-3
Abstract
Inspired by Kitaev's argument that physical error correction is possible in a system of interacting anyons, we demonstrate that such "self-correction" is fairly common in spin systems with classical Hamiltonians that admit the Peierls argument and where errors are modelled by quantum perturbations.
8 pages; elsart.sty; revised version submitted to Phys. Lett. A