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Mirror winding number and helical edge modes in honeycomb lattice with hopping-energy texture
Mesoscale and Nanoscale Physics · Submitted 29 Jul 2016
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We illustrate possible topological phases in honeycomb lattice with textures in electron hopping energy between nearest-neighboring sites and show that they are characterized by the mirror winding number intimately related to the chiral (or sublattice) symmetry.
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The abstract, sentence by sentence
We illustrate possible topological phases in honeycomb lattice with textures in electron hopping energy between nearest-neighboring sites and show that they are characterized by the mirror winding number intimately related to the chiral (or sublattice) symmetry. Analytic wave functions of zero-energy edge modes in ribbon geometry are provided, which are classified into even and odd sectors with respect to the mirror operation with the mirror plane perpendicular to the edge, and evolve into the topological helical edge states at finite momenta. Intriguingly our results demonstrate that in order to achieve the topological phase one can decorate the edge in a way adaptive to the bulk hopping texture. This paves a new way to tailoring graphene in the topological point of view.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We illustrate possible topological phases in honeycomb lattice with textures in electron hopping energy between nearest-neighboring sites and show that they are characterized by the mirror winding number intimately related to the chiral (or sublattice) symmetry. | contribution 0.64 | 0.89 | 0.66 | asserted 0.87 |
| s1 | Analytic wave functions of zero-energy edge modes in ribbon geometry are provided, which are classified into even and odd sectors with respect to the mirror operation with the mirror plane perpendicular to the edge, and evolve into the topological helical edge states at finite momenta. | result 0.65 | 0.93 | 0.18 | asserted 1.00 |
| s2 | Intriguingly our results demonstrate that in order to achieve the topological phase one can decorate the edge in a way adaptive to the bulk hopping texture. | result 0.81 | 0.93 | 0.31 | asserted 1.00 |
| s3 | This paves a new way to tailoring graphene in the topological point of view. | interpretation 0.95 | 0.27 | 0.13 | asserted 0.85 |
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Original abstract
We illustrate possible topological phases in honeycomb lattice with textures in electron hopping energy between nearest-neighboring sites and show that they are characterized by the mirror winding number intimately related to the chiral (or sublattice) symmetry. Analytic wave functions of zero-energy edge modes in ribbon geometry are provided, which are classified into even and odd sectors with respect to the mirror operation with the mirror plane perpendicular to the edge, and evolve into the topological helical edge states at finite momenta. Intriguingly our results demonstrate that in order to achieve the topological phase one can decorate the edge in a way adaptive to the bulk hopping texture. This paves a new way to tailoring graphene in the topological point of view.
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2 arXiv papers cite this in 4 sentences
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Compares with it 1 paper
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This result agrees with previous data [ref] , verifying our physical interpretation.
Pseudospins and topological effects of phonons in a Kekule lattice · Introduction · 0.91
Cites it as background 1 paper
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Moreover, a multitude of different implementations have been envisioned theoretically [ref] .
Snowflake Topological Insulator for Sound Waves · Introduction · 0.98
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