Higher-order topology and corner triplon excitations in two-dimensional quantum spin-dimer models
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DOI: 10.1103/physrevb.104.184403
Abstract: The concept of free fermion topology has been generalized to d-dimensional phases that exhibit (d− n)-dimensional boundary modes, such as zero-dimensional (0D) corner excitations. Motivated by recent extensions of these ideas to magnetic systems, we… read more here.
Keywords: corner triplon; corner; topology; higher order ... See more keywords