The recursive Green's function method for graphene

CH Lewenkopf, ER Mucciolo - Journal of Computational Electronics, 2013 - Springer
We describe how to apply the recursive Green's function method to the computation of
electronic transport properties of graphene sheets and nanoribbons in the linear response …

Disorder effects of vacancies on the electronic transport properties of realistic topological insulator nanoribbons: The case of bismuthene

A Pezo, B Focassio, GR Schleder, M Costa… - Physical Review …, 2021 - APS
The robustness of topological materials against disorder and defects is presumed but has
not been demonstrated explicitly in realistic systems. In this work, we use state-of-the-art …

Effect of zigzag and armchair edges on the electronic transport in single-layer and bilayer graphene nanoribbons with defects

A Orlof, J Ruseckas, IV Zozoulenko - Physical Review B—Condensed Matter …, 2013 - APS
We study electronic transport in monolayer and bilayer graphene with single and many short-
range defects focusing on the role of edge termination (zigzag versus armchair). Within the …

Electronic transport in disordered nanoribbons

E Ridolfi, LRF Lima, ER Mucciolo, CH Lewenkopf - Physical Review B, 2017 - APS
We study the electronic structure and transport properties of zigzag and armchair monolayer
molybdenum disulfide nanoribbons using an 11-band tight-binding model that accurately …

Soliton fractional charges in graphene nanoribbon and polyacetylene: similarities and differences

SRE Yang - Nanomaterials, 2019 - mdpi.com
An introductory overview of current research developments regarding solitons and fractional
boundary charges in graphene nanoribbons is presented. Graphene nanoribbons and …

Mutual information and correlations across topological phase transitions in topologically ordered graphene zigzag nanoribbons

IH Lee, HA Le, SRE Yang - Entropy, 2023 - mdpi.com
Graphene zigzag nanoribbons, initially in a topologically ordered state, undergo a
topological phase transition into crossover phases distinguished by quasi-topological order …

Topologically ordered zigzag nanoribbon: fractional edge charge, spin-charge separation, and ground-state degeneracy

SRE Yang, MC Cha, HJ Lee, YH Kim - Physical Review Research, 2020 - APS
We numerically compute the density of states (DOS) of interacting disordered zigzag
graphene nanoribbon (ZGNR) having midgap states showing e/2 fractional edge charges …

Phase diagram and crossover phases of topologically ordered graphene zigzag nanoribbons: role of localization effects

HA Le, IH Lee, YH Kim, SRE Yang - Journal of Physics …, 2024 - iopscience.iop.org
We computed the phase diagram of zigzag graphene nanoribbons as a function of on-site
repulsion, doping, and disorder strength. The topologically ordered phase undergoes …

Valley polarized current and resonant electronic transport in a nonuniform zigzag nanoribbon

D Gut, M Prokop, D Sticlet, MP Nowak - Physical Review B, 2020 - APS
Using the tight-binding approach we study the electronic transport in a MoS 2 zigzag ribbon
with a spatially varying potential profile. Considering a ribbon with a smooth potential step in …

Disordered graphene ribbons as topological multicritical systems

S Kasturirangan, A Kamenev, FJ Burnell - Physical Review B, 2022 - APS
The low-energy spectrum of a zigzag graphene ribbon contains two gapless bands with
highly nonlinear dispersion, ε (k)=±| π− k| W, where W is the width of the ribbon. The …