Spectral Properties of Hexagonal Lattices with The -R Coupling

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F25%3A00642051" target="_blank" >RIV/61389005:_____/25:00642051 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21340/25:00389379
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S0034487725000576" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0034487725000576</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/S0034-4877(25)00057-6" target="_blank" >10.1016/S0034-4877(25)00057-6</a>

Result language
angličtina
Original language name
Spectral Properties of Hexagonal Lattices with The -R Coupling
Original language description
We analyze the spectrum of the hexagonal lattice graph with a vertex coupling which manifestly violates the time reversal invariance and at high energies it exhibits a nontrivial transport at odd-degree vertices. A comparison is made to the case when the edges are effectively decoupled at such vertices. We also show that the spectral character does not change if the equilateral elementary cell of the lattice is dilated to have three different edge lengths, except that flat bands are absent if those are incommensurate.
Czech name
—
Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10102 - Applied mathematics

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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