最近实验上利用超冷费米气体研究相互作用的对称性保护的拓扑相(SPT)备受关注,尤其是探测开边界下的拓扑边界态。本文利用密度矩阵......

The empirical valence bond model, solved by the DMRG technique, is applied to the systematical study of the photochemica......