Electronic properties of graphene in a strong magnetic field

MO Goerbig - Reviews of Modern Physics, 2011 - APS
The basic aspects of electrons in graphene (two-dimensional graphite) exposed to a strong
perpendicular magnetic field are reviewed. One of its most salient features is the relativistic …

Electronic properties of graphene-based bilayer systems

AV Rozhkov, AO Sboychakov, AL Rakhmanov, F Nori - Physics Reports, 2016 - Elsevier
This article reviews the theoretical and experimental work related to the electronic properties
of bilayer graphene systems. Three types of bilayer stackings are discussed: the AA, AB, and …

Strongly correlated Chern insulators in magic-angle twisted bilayer graphene

KP Nuckolls, M Oh, D Wong, B Lian, K Watanabe… - Nature, 2020 - nature.com
Interactions between electrons and the topology of their energy bands can create unusual
quantum phases of matter. Most topological electronic phases appear in systems with weak …

Electronic correlations in twisted bilayer graphene near the magic angle

Y Choi, J Kemmer, Y Peng, A Thomson, H Arora… - Nature physics, 2019 - nature.com
Twisted bilayer graphene with a twist angle of around 1.1° features a pair of isolated flat
electronic bands and forms a platform for investigating strongly correlated electrons. Here …

Southern African ancient genomes estimate modern human divergence to 350,000 to 260,000 years ago

CM Schlebusch, H Malmström, T Günther, P Sjödin… - Science, 2017 - science.org
Southern Africa is consistently placed as a potential region for the evolution of Homo
sapiens. We present genome sequences, up to 13x coverage, from seven ancient …

Visualizing broken symmetry and topological defects in a quantum Hall ferromagnet

X Liu, G Farahi, CL Chiu, Z Papic, K Watanabe… - Science, 2022 - science.org
The interaction between electrons in graphene under high magnetic fields drives the
formation of a rich set of quantum Hall ferromagnetic (QHFM) phases with broken spin or …

Symmetry-broken Chern insulators and Rashba-like Landau-level crossings in magic-angle bilayer graphene

I Das, X Lu, J Herzog-Arbeitman, ZD Song… - Nature Physics, 2021 - nature.com
Flat bands in magic-angle twisted bilayer graphene (MATBG) have recently emerged as a
rich platform to explore strong correlations, superconductivity,,–and magnetism,,. However …

The qPlus sensor, a powerful core for the atomic force microscope

FJ Giessibl - Review of scientific instruments, 2019 - pubs.aip.org
Atomic force microscopy (AFM) was introduced in 1986 and has since made its way into
surface science, nanoscience, chemistry, biology, and material science as an imaging and …

Competing zero-field chern insulators in superconducting twisted bilayer graphene

P Stepanov, M **e, T Taniguchi, K Watanabe, X Lu… - Physical review …, 2021 - APS
The discovery of magic angle twisted bilayer graphene has unveiled a rich variety of
superconducting, magnetic, and topologically nontrivial phases. Here, we show that the zero …

Landau quantization and quasiparticle interference in the three-dimensional Dirac semimetal Cd3As2

S Jeon, BB Zhou, A Gyenis, BE Feldman, I Kimchi… - Nature materials, 2014 - nature.com
Condensed-matter systems provide a rich setting to realize Dirac and Majorana fermionic
excitations as well as the possibility to manipulate them for potential applications,. It has …