Chinese 拓扑简并 Cited by user Maomao2046 on 07 Jan 2020 在量子多体物理中,拓扑简并是指有能隙的多体哈密顿量在大系统尺寸极限下的基态简并现象,这种基态简并不会被局域微扰破坏。 == 应用 == 拓扑简并可以用于保护允许进行拓扑量子计算的量子比特。人们认为拓扑简并意味着基态中存在拓扑序(或长程纠缠)。 具有拓扑简并的多体态可以用低能拓扑量子场论描述。 == 背景 == 拓扑简并最早是在定义拓扑序的时…
English Topological degeneracy Cited by user 192.16.204.74 on 13 Jun 2019 In quantum many-body physics, topological degeneracy is a phenomenon in which the ground state of a gapped many-body Hamiltonian becomes degenerate in the limit of large…