Valley-polarized magnetoconductivity and particle-hole symmetry breaking in a periodically modulated lattice

SKF Islam, P Dutta - Physical Review B, 2017 - APS
We explore the transport properties of a periodically modulated α-T 3 lattice in the presence
of a perpendicular magnetic field. The effect of the Berry phase on electrical conductivity …

Generalized Peierls substitution for the tight-binding model of twisted graphene systems in a magnetic field

TN Do, PH Shih, H Lin, D Huang, G Gumbs, TR Chang - Physical Review B, 2022 - APS
This work aims at addressing an important advanced methodology for twisted graphene in
the presence of applied magnetic field, which is the Bloch-basis tight-binding model (TBM) …

Light-induced topological phases in thin films of magnetically doped topological insulators

SS Dabiri, H Cheraghchi, A Sadeghi - Physical Review B, 2021 - APS
We study the photon-dressed electronic band structure of topological insulator thin films
doped by magnetic impurities in response to an off-resonance time-periodic electromagnetic …

Quantum transport in disordered systems under magnetic fields: A study based on operator algebras

E Prodan - Applied Mathematics Research eXpress, 2013 - academic.oup.com
The linear conductivity tensor for generic homogeneous, microscopic quantum models was
formulated as a noncommutative Kubo formula in Refs.[,,]. This formula was derived directly …

Valley-and spin-dependent quantum Hall states in bilayer silicene

TN Do, G Gumbs, PH Shih, D Huang, MF Lin - Physical Review B, 2019 - APS
The Hall conductivity σ xy of many condensed matter systems presents a step structure
when a uniform perpendicular magnetic field is applied. We report the quantum Hall effect in …

Magneto-transport properties of B-, Si-and N-doped graphene

PH Shih, TN Do, G Gumbs, D Huang, TP Pham, MF Lin - Carbon, 2020 - Elsevier
The effect due to do** by B, Si, N atoms on the magneto-transport properties of graphene
is investigated using the generalized tight-binding model in conjunction with the Kubo …

Anomalous magneto-transport properties of bilayer phosphorene

JY Wu, WP Su, G Gumbs - Scientific Reports, 2020 - nature.com
The magneto-transport properties of phosphorene are investigated by employing the
generalized tight-binding model to calculate the energy bands. For bilayer phosphorene, a …

Quantum-enhanced sensing of spin-orbit coupling without fine-tuning

B Yi, A Bayat, S Sarkar - arxiv preprint arxiv:2411.00598, 2024 - arxiv.org
Spin-orbit coupling plays an important role in both fundamental physics and technological
applications. Precise estimation of the spin-orbit coupling is necessary for accurate …

Photoinduced quantum spin/valley Hall effect and its electrical manipulation in silicene

H Bao, W Liao, X Zhang, H Yang, X Yang… - Journal of Applied …, 2017 - pubs.aip.org
Based on the Kubo linear response theorem, we have investigated theoretically the
quantum spin/valley Hall (QS/VH) conductivities and longitudinal conductivity of silicene in …

Large magnetoresistance dips and perfect spin-valley filter induced by topological phase transitions in silicene

W Prarokijjak, B Soodchomshom - Journal of Magnetism and Magnetic …, 2018 - Elsevier
Spin-valley transport and magnetoresistance are investigated in silicene-based
N/TB/N/TB/N junction where N and TB are normal silicene and topological barriers. The …