93 citations · 579 across the 27 of their papers we have counts for
27 papers
Double-dome Unconventional Superconductivity in Twisted Trilayer Graphene
Zekang Zhou, Jin Jiang, Paritosh Karnatak +8
Graphene moiré systems are ideal environments for investigating complex phase diagrams and gaining fundamental insights into the mechanisms underlying exotic states of matter, as t…
Kekulé spirals and charge transfer cascades in twisted symmetric trilayer graphene
Ziwei Wang, Yves H. Kwan, Glenn Wagner +3
We study the phase diagram of magic-angle twisted symmetric trilayer graphene in the presence of uniaxial heterostrain and interlayer displacement field. For experimentally reasona…
Coulomb-driven band unflattening suppresses -phonon pairing in moiré graphene
Glenn Wagner, Yves H. Kwan, Nick Bultinck +2
It is a matter of current debate whether the gate-tunable superconductivity in twisted bilayer graphene is phonon-mediated or arises from electron-electron interactions. The recent…
Understanding Symmetry Breaking in Twisted Bilayer Graphene from Cluster Constraints
Nikita Astrakhantsev, Glenn Wagner, Tom Westerhout +2
Twisted bilayer graphene is an exciting platform for exploring correlated quantum phases, extremely tunable with respect to both the single-particle bands and the interaction profi…
Two-dimensional Shiba lattices as possible platform for crystalline topological superconductivity
Martina O. Soldini, Felix Küster, Glenn Wagner +7
Localized or propagating Majorana boundary modes are the key feature of topological superconductors. They are rare in naturally-occurring compounds, but the tailored manipulation o…
Phenomenology of bond and flux orders in kagome metals
Glenn Wagner, Chunyu Guo, Philip J. W. Moll +2
Despite much experimental and theoretical work, the nature of the charge order in the kagome metals belonging to the family of materials AVSb (A=Cs,Rb,K) remains controvers…
Distinct switching of chiral transport in the kagome metals KVSb and CsVSb
Chunyu Guo, Maarten R. van Delft, Martin Gutierrez-Amigo +10
The kagome metals AVSb (A=K,Rb,Cs) present an ideal sandbox to study the interrelation between multiple coexisting correlated phases such as charge order and superconductiv…
Correlated order at the tipping point in the kagome metal CsVSb
Chunyu Guo, Glenn Wagner, Carsten Putzke +10
Spontaneously broken symmetries are at the heart of many phenomena of quantum matter and physics more generally. However, determining the exact symmetries broken can be challenging…
Electron-phonon coupling and competing Kekulé orders in twisted bilayer graphene
Yves H. Kwan, Glenn Wagner, Nick Bultinck +3
Recent scanning tunneling microscopy experiments [K.P. Nuckolls et al., arXiv:2303.00024] have revealed the ubiquity of Kekulé charge-density wave order in magic-angle twisted bila…
Single-parameter variational wavefunctions for quantum Hall bilayers
Qi Hu, Titus Neupert, Glenn Wagner
Bilayer quantum Hall states have been shown to be described by a BCS-paired state of composite fermions. However, finding a qualitatively accurate model state valid across all valu…
Superconductivity from repulsive interactions in Bernal-stacked bilayer graphene
Glenn Wagner, Yves H. Kwan, Nick Bultinck +2
A striking series of experiments have observed superconductivity in Bernal-stacked bilayer graphene (BBG) when the energy bands are flattened by applying an electrical displacement…
Interaction effects in a 1D flat band at a topological crystalline step edge
Glenn Wagner, Souvik Das, Johannes Jung +11
Step edges of topological crystalline insulators can be viewed as predecessors of higher-order topology, as they embody one-dimensional edge channels embedded in an effective three…
Interacting topological quantum chemistry of Mott atomic limits
Martina O. Soldini, Nikita Astrakhantsev, Mikel Iraola +6
Topological quantum chemistry (TQC) is a successful framework for identifying (noninteracting) topological materials. Based on the symmetry eigenvalues of Bloch eigenstates at maxi…
Heat capacity double transitions in time-reversal symmetry broken superconductors
Henrik S. Røising, Glenn Wagner, Mercè Roig +2
Standard superconductors display a ubiquitous discontinuous jump in the electronic specific heat at the critical superconducting transition temperature. In a growing class of uncon…
Skyrmions in twisted bilayer graphene: stability, pairing, and crystallization
Yves H. Kwan, Glenn Wagner, Nick Bultinck +2
We study the excitations that emerge upon doping the translationally-invariant correlated insulating states in magic angle twisted bilayer graphene at various integer filling facto…
Global Phase Diagram of the Normal State of Twisted Bilayer Graphene
Glenn Wagner, Yves H. Kwan, Nick Bultinck +2
We investigate the full doping and strain-dependent phase diagram of the normal state of magic-angle twisted bilayer graphene (TBG). Using comprehensive Hartree-Fock calculations,…
-wave paired composite-fermion electron-hole trial state for quantum Hall bilayers with
Glenn Wagner, Dung X. Nguyen, Steven H. Simon +1
We introduce a new variational wavefunction for a quantum Hall bilayer at total filling , which is based on -wave BCS pairing between composite-fermion electrons in one la…
Kekulé spiral order at all nonzero integer fillings in twisted bilayer graphene
Yves H. Kwan, Glenn Wagner, Tomohiro Soejima +4
We study magic angle graphene in the presence of both strain and particle-hole symmetry breaking due to non-local inter-layer tunneling. We perform a self-consistent Hartree-Fock s…
A microscopic Ginzburg--Landau theory and singlet ordering in SrRuO
Glenn Wagner, Henrik S. Røising, Felix Flicker +1
The long-standing quest to determine the superconducting order of SrRuO (SRO) has received renewed attention after recent nuclear magnetic resonance (NMR) Knight shift expe…
Domain wall competition in the Chern insulating regime of twisted bilayer graphene
Yves H. Kwan, Glenn Wagner, Nilotpal Chakraborty +2
We consider magic-angle twisted bilayer graphene (TBG) at filling , where experiments have observed a robust quantized anomalous Hall effect. This has been attributed to the…
Transport properties of multilayer graphene
Glenn Wagner, Dung X. Nguyen, Steven H. Simon
We apply the semi-classical quantum Boltzmann formalism for the computation of transport properties to multilayer graphene. We compute the electrical conductivity as well as the th…
Landau levels in curved space realized in strained graphene
Glenn Wagner, Fernando de Juan, Dung X. Nguyen
The quantum Hall effect in curved space has been the subject of many theoretical investigations in the past, but devising a physical system to observe this effect is hard. Many wor…
Driven quantum dot coupled to a fractional quantum Hall edge
Glenn Wagner, Dung X. Nguyen, Dmitry L. Kovrizhin +1
We study a model of a quantum dot coupled to a quantum Hall edge of the Laughlin state, taking into account short-range interactions between the dot and the edge. This system has b…
Transport in bilayer graphene near charge neutrality: Which scattering mechanisms are important?
Glenn Wagner, Dung X. Nguyen, Steven H. Simon
Using the semiclassical quantum Boltzmann equation (QBE), we numerically calculate the DC transport properties of bilayer graphene near charge neutrality. We find, in contrast to p…