Electronic transport in two-dimensional graphene

S Das Sarma, S Adam, EH Hwang, E Rossi - Reviews of modern physics, 2011 - APS
A broad review of fundamental electronic properties of two-dimensional graphene with the
emphasis on density and temperature-dependent carrier transport in doped or gated …

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 …

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 …

Charged skyrmions and topological origin of superconductivity in magic-angle graphene

E Khalaf, S Chatterjee, N Bultinck, MP Zaletel… - Science …, 2021 - science.org
Topological solitons, a class of stable nonlinear excitations, appear in diverse domains as in
the Skyrme model of nuclear forces. Here, we argue that similar excitations play an …

Experimental evidence of chiral symmetry breaking in Kekulé-ordered graphene

C Bao, H Zhang, T Zhang, X Wu, L Luo, S Zhou, Q Li… - Physical Review Letters, 2021 - APS
The low-energy excitations of graphene are relativistic massless Dirac fermions with
opposite chiralities at valleys K and K′. Breaking the chiral symmetry could lead to gap …

Quantum field theory in a magnetic field: From quantum chromodynamics to graphene and Dirac semimetals

VA Miransky, IA Shovkovy - Physics Reports, 2015 - Elsevier
A range of quantum field theoretical phenomena driven by external magnetic fields and their
applications in relativistic systems and quasirelativistic condensed matter ones, such as …

Imaging tunable quantum Hall broken-symmetry orders in graphene

A Coissard, D Wander, H Vignaud, AG Grushin… - Nature, 2022 - nature.com
When electrons populate a flat band their kinetic energy becomes negligible, forcing them to
organize in exotic many-body states to minimize their Coulomb energy,,,–. The zeroth …

Spin and valley quantum Hall ferromagnetism in graphene

AF Young, CR Dean, L Wang, H Ren… - Nature Physics, 2012 - nature.com
Electronic systems with multiple degenerate degrees of freedom can support a rich variety of
broken symmetry states. In a graphene Landau level (LL), strong Coulomb interactions and …

Tunable symmetry breaking and helical edge transport in a graphene quantum spin Hall state

AF Young, JD Sanchez-Yamagishi, B Hunt, SH Choi… - Nature, 2014 - nature.com
Low-dimensional electronic systems have traditionally been obtained by electrostatically
confining electrons, either in heterostructures or in intrinsically nanoscale materials such as …

Even-denominator fractional quantum Hall states at an isospin transition in monolayer graphene

AA Zibrov, EM Spanton, H Zhou, C Kometter… - Nature Physics, 2018 - nature.com
In monolayer graphene, the two inequivalent sublattices of carbon atoms combine with the
electron spin to give electrons a nearly fourfold degenerate internal isospin. At high …