Theory of edge states based on the Hermiticity of tight-binding Hamiltonian operators
We develop a theory of edge states based on the Hermiticity of Hamiltonian operators for tight-binding models defined on lattices with boundaries. We describe Hamiltonians using shift operators which serve as differential operators in continuum theories. It turns out that such Hamiltonian operators...
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| Hlavní autor: | |
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| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
American Physical Society
2020-10-01
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| Edice: | Physical Review Research |
| On-line přístup: | http://doi.org/10.1103/PhysRevResearch.2.043136 |
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