Observation of symmetry-protected zero modes in topolectrical circuits
Higher-order topological insulators are a new class of topological phases of matter, originally conceived for electrons in solids. It has been suggested that the Z_{N} Berry phase (Berry phase quantized into 2π/N) is a useful tool to characterize the symmetry-protected topological states, whereas th...
Main Authors: | Huanhuan Yang, Z.-X. Li, Yuanyuan Liu, Yunshan Cao, Peng Yan |
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Format: | Article |
Language: | English |
Published: |
American Physical Society
2020-05-01
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Series: | Physical Review Research |
Online Access: | http://doi.org/10.1103/PhysRevResearch.2.022028 |
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