Diagrammatic routes to nonlocal correlations beyond dynamical mean field theory
Strong electronic correlations pose one of the biggest challenges to solid state theory.
Recently developed methods that address this problem by starting with the local, eminently …
Recently developed methods that address this problem by starting with the local, eminently …
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 …
of bilayer graphene systems. Three types of bilayer stackings are discussed: the AA, AB, and …
Theory of phonon-mediated superconductivity in twisted bilayer graphene
We present a theory of phonon-mediated superconductivity in near magic angle twisted
bilayer graphene. Using a microscopic model for phonon coupling to moiré band electrons …
bilayer graphene. Using a microscopic model for phonon coupling to moiré band electrons …
Strong coupling phases of partially filled twisted bilayer graphene narrow bands
J Kang, O Vafek - Physical review letters, 2019 - APS
We identify states favored by Coulomb interactions projected onto the Wannier basis of the
four narrow bands of the “magic angle” twisted bilayer graphene. At the filling of 2 …
four narrow bands of the “magic angle” twisted bilayer graphene. At the filling of 2 …
Dirac materials
A wide range of materials, like d-wave superconductors, graphene, and topological
insulators, share a fundamental similarity: their low-energy fermionic excitations behave as …
insulators, share a fundamental similarity: their low-energy fermionic excitations behave as …
Overdo** graphene beyond the van Hove singularity
P Rosenzweig, H Karakachian, D Marchenko… - Physical Review Letters, 2020 - APS
At very high do** levels the van Hove singularity in the π* band of graphene becomes
occupied and exotic ground states possibly emerge, driven by many-body interactions …
occupied and exotic ground states possibly emerge, driven by many-body interactions …
Dirac Fermions in Solids: From High-T c Cuprates and Graphene to Topological Insulators and Weyl Semimetals
O Vafek, A Vishwanath - Annu. Rev. Condens. Matter Phys., 2014 - annualreviews.org
Understanding Dirac-like fermions has become an imperative in modern condensed matter
sciences: All across the research frontier, from graphene to high T c superconductors to the …
sciences: All across the research frontier, from graphene to high T c superconductors to the …
High-Pressure Synthesis of Dirac Materials: Layered van der Waals Bonded Polymorph
High-pressure chemistry is known to inspire the creation of unexpected new classes of
compounds with exceptional properties. Here, we employ the laser-heated diamond anvil …
compounds with exceptional properties. Here, we employ the laser-heated diamond anvil …
Unconventional superconductivity in nearly flat bands in twisted bilayer graphene
Flat electronic bands can accommodate a plethora of interaction-driven quantum phases,
since kinetic energy is quenched therein and electronic interactions therefore prevail …
since kinetic energy is quenched therein and electronic interactions therefore prevail …
Microscopic understanding of magnetic interactions in bilayer
We performed a detailed microscopic analysis of the interlayer magnetic couplings for
bilayer CrI 3. As a first step toward understanding recent experimental observations and …
bilayer CrI 3. As a first step toward understanding recent experimental observations and …