Specular electron focusing between gate-defined quantum point contacts in bilayer graphene
We report multiterminal measurements in a ballistic bilayer graphene (BLG) channel, where
multiple spin-and valley-degenerate quantum point contacts (QPCs) are defined by …
multiple spin-and valley-degenerate quantum point contacts (QPCs) are defined by …
Electron beam splitting at topological insulator surface states and a proposal for electronic Goos-Hänchen shift measurement
H Ghadiri, A Saffarzadeh - Physical Review B, 2022 - APS
The hexagonal warping effect on transport properties and Goos-Hänchen (GH) lateral shift
of electrons on the surface of a topological insulator with a potential barrier is investigated …
of electrons on the surface of a topological insulator with a potential barrier is investigated …
[HTML][HTML] Electron wave and quantum optics in graphene
In the last decade, graphene has become an exciting platform for electron optical
experiments, in some aspects superior to conventional two-dimensional electron gases …
experiments, in some aspects superior to conventional two-dimensional electron gases …
Anisotropic and valley-resolved beam-splitter based on a tilted Dirac system
X Zhou, J Zheng, F Zhai - Communications in Theoretical Physics, 2022 - iopscience.iop.org
We investigate theoretically valley-resolved lateral shift of electrons traversing an n–p–n
junction bulit on a typical tilted Dirac system (8-Pmmn borophene). A gauge-invariant …
junction bulit on a typical tilted Dirac system (8-Pmmn borophene). A gauge-invariant …
Three-dimensional chiral Veselago lensing
S Tchoumakov, J Cayssol, AG Grushin - Physical Review B, 2022 - APS
The effect by which light focuses upon entering a medium with a negative refractive index,
known as Veselago lensing, may enable optical imaging below the diffraction limit. Similarly …
known as Veselago lensing, may enable optical imaging below the diffraction limit. Similarly …