Lévy flight for electrons in graphene in the presence of regions with enhanced spin-orbit coupling

DB Fonseca, ALR Barbosa, LFC Pereira - Physical Review B, 2024 - APS
In this work, we propose an electronic Lévy glass built from graphene nanoribbons in the
presence of regions with enhanced spin-orbit coupling. Although electrons in graphene …

A controllable spin flip and filter in zigzag graphene nanoribbons with triangular defect

C Ma, X Gao, R Ye, Z Deng, L Li, Z Yi, J Li… - Diamond and Related …, 2023 - Elsevier
Based on the recursive Green-function method together with Landauer-Büttiker formalism,
we theoretically study the controllable spin-dependent electron transport properties by using …

Charged fermion in -dimensional wormhole with axial magnetic field

T Rojjanason, P Burikham, K Pimsamarn - The European Physical Journal …, 2019 - Springer
We investigate the effects of magnetic field on a charged fermion in a (1+ 2)(1+ 2)-
dimensional wormhole. Applying external magnetic field along the axis direction of the …

Simultaneous perfect polarization of spin and valley using monolayer MoS2 modulated by light and spin Zeeman field

B Liu, D Liu, R Yuan, Y Guo - Journal of Physics D: Applied …, 2021 - iopscience.iop.org
Perfect polarization of spin and valley is found to coexist in the proposed junction of
monolayer MoS 2. The junction consists of two barriers modulated by off-resonant circularly …

Nearly perfect valley filter in silicene

Q Zhang, KS Chan, M Long - Journal of Physics: Condensed …, 2016 - iopscience.iop.org
We demonstrate theoretically how a perfect valley filter can be obtained in silicene under the
effects of a ferromagnetic stripe and an electric field perpendicular to silicene. A …

Enhancement of spin polarization by chaos in graphene quantum dot systems

L Ying, YC Lai - Physical Review B, 2016 - APS
When graphene is placed on a substrate of heavy metal, the Rashba spin-orbit interaction of
substantial strength can occur. In an open system such as a quantum dot, the interaction can …

Charged fermion in two-dimensional curved spaces of constant Gaussian curvature with constant magnetic flux

T Rojjanason - Journal of Physics: Conference Series, 2019 - iopscience.iop.org
We investigate the behavior of spin-1/2 particles (electron and positron) confined to the
Gaussian curvature surfaces. For the non-negative Gaussian curvatures, we present the …

Strain effect on spin polarization in a graphene junction

Z Cao, N Lu, X Qiu, G Wang - Journal of Physics D: Applied …, 2017 - iopscience.iop.org
We investigate the strain effect on the spin-dependent transport in a graphene junction with
spin–orbit coupling and a gate voltage. We find that uniaxial strain along the armchair …

Charged fermion in two-dimensional wormhole with axial magnetic field

T Rojjanason - 2019 - digital.car.chula.ac.th
We investigate the effects of magnetic field on a charged fermion in a (1+ 2)-dimensional
wormhole. Applying external magnetic field along the axis direction of the wormhole, the …

[图书][B] Quantum Nonlinear Dynamics in Graphene, Optomechanical, and Semiconductor Superlattice Systems

L Ying - 2016 - search.proquest.com
Conductance fluctuations associated with quantum transport through quantumdot systems
are currently understood to depend on the nature of the corresponding classical dynamics …