Raman spectroscopy imaging of exceptional electronic properties in epitaxial graphene grown on SiC

A Ben Gouider Trabelsi, F V. Kusmartsev… - Nanomaterials, 2020 - mdpi.com
Graphene distinctive electronic and optical properties have sparked intense interest
throughout the scientific community bringing innovation and progress to many sectors of …

Covalent bonded bilayers from germanene and stanene with topological giant capacitance effects

B Zhang, D Grassano, O Pulci, Y Liu, Y Luo… - npj 2D Materials and …, 2023 - nature.com
The discovery of twisted bilayer graphene with tunable superconductivity has diverted great
focus at the world of twisted van der Waals heterostructures. Here we propose a paradigm …

Electrophobic scalar boson and muonic puzzles

YS Liu, D McKeen, GA Miller - Physical Review Letters, 2016 - APS
A new scalar boson which couples to the muon and proton can simultaneously solve the
proton radius puzzle and the muon anomalous magnetic moment discrepancy. Using a …

Testing quantum electrodynamics with exotic atoms

N Paul, G Bian, T Azuma, S Okada, P Indelicato - Physical Review Letters, 2021 - APS
Precision study of few-electron, high-Z ions is a privileged field for probing high-field, bound-
state quantum electrodynamics (BSQED). However, the accuracy of such tests is plagued by …

Current-voltage characteristics of Weyl semimetal semiconducting devices, Veselago lenses, and hyperbolic Dirac phase

RDY Hills, A Kusmartseva, FV Kusmartsev - Physical Review B, 2017 - APS
The current-voltage characteristics of a new range of devices built around Weyl semimetals
has been predicted using the Landauer formalism. The potential step and barrier have been …

Creating anomalous Floquet Chern insulators with magnetic quantum walks

M Sajid, JK Asbóth, D Meschede, RF Werner, A Alberti - Physical Review B, 2019 - APS
We propose a realistic scheme to construct anomalous Floquet Chern topological insulators
using spin-1 2 particles carrying out a discrete-time quantum walk in a two-dimensional …

Massless Dirac fermions in two dimensions: Confinement in nonuniform magnetic fields

CA Downing, ME Portnoi - Physical Review B, 2016 - APS
We show how it is possible to trap two-dimensional massless Dirac fermions in spatially
inhomogeneous magnetic fields, as long as the formed magnetic quantum dot (or ring) is of …

All-strain based valley filter in graphene nanoribbons using snake states

LS Cavalcante, A Chaves, DR Da Costa, GA Farias… - Physical Review B, 2016 - APS
A pseudomagnetic field kink can be realized along a graphene nanoribbon using strain
engineering. Electron transport along this kink is governed by snake states that are …

Enigmatic 12/5 fractional quantum Hall effect

K Pakrouski, M Troyer, YL Wu, S Das Sarma… - Physical Review B, 2016 - APS
We numerically study the fractional quantum Hall effect at filling factors ν= 12/5 and 13/5 (the
particle-hole conjugate of 12/5) in high-quality two-dimensional GaAs heterostructures via …

Optical snake states in a photonic graphene

OM Bahrova, SV Koniakhin, AV Nalitov… - Optics Letters, 2024 - opg.optica.org
We propose an optical analog of electron snake states based on an artificial gauge
magnetic field in a photonic graphene implemented by varying distances between cavity …