Network model for higher-order topological phases
Physical review. B./Physical review. B, vol. 103
Abstract
The network model is a powerful tool in the study of localization-delocalization transitions and has been used to describe a variety of topological systems without crystalline symmetry. Here, the authors show that network models can also realize topological phases protected by point-group symmetries. The latter lead to the formation of a higher-order topological phase characterized by midgap modes present at the corners of the system.
Authors 5
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Leibniz Institute for Solid State and Materials Research · Complexity, Topology and Dynamics in Quantum Matter
Affiliation as printed
IFW Dresden and Würzburg-Dresden Cluster of Excellence ct.qmat, Helmholtzstrasse 20, 01069 Dresden, Germany
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Leibniz Institute for Solid State and Materials Research · Complexity, Topology and Dynamics in Quantum Matter
Affiliation as printed
IFW Dresden and Würzburg-Dresden Cluster of Excellence ct.qmat, Helmholtzstrasse 20, 01069 Dresden, Germany
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Institute for Advanced Studies in Basic Sciences · Leibniz Institute for Solid State and Materials Research · Complexity, Topology and Dynamics in Quantum Matter
Affiliation as printed
Department of Physics, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran
IFW Dresden and Würzburg-Dresden Cluster of Excellence ct.qmat, Helmholtzstrasse 20, 01069 Dresden, Germany
Research Center for Basic Sciences & Modern Technologies (RBST), Institute for Advanced Studies in Basic Science (IASBS), Zanjan 45137-66731, Iran
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Affiliation as printed
JARA-Institute for Quantum Information, RWTH Aachen University, 52056 Aachen, Germany
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Leibniz Institute for Solid State and Materials Research · Complexity, Topology and Dynamics in Quantum Matter
Affiliation as printed
IFW Dresden and Würzburg-Dresden Cluster of Excellence ct.qmat, Helmholtzstrasse 20, 01069 Dresden, Germany
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