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cond-mat.mes-hall2021★ 74 cited
Observation of degenerate zero-energy topological states at disclinations in an acoustic lattice
Yuanchen Deng, Wladimir A. Benalcazar, Ze-Guo Chen +3
Building upon the bulk-boundary correspondence in topological phases of matter, disclinations have recently been harnessed to trap fractionally quantized density of states (DoS) in…
cond-mat.mes-hall2021★ 15 cited
Topological phases of the dimerized Hofstadter butterfly
Zheng-Wei Zuo, Wladimir A. Benalcazar, Yunzhe Liu +1
In this work, we study the topological phases of the dimerized square lattice in the presence of an external magnetic field. The dimerization pattern in the lattice's hopping ampli…