78 citations · 395 across the 16 of their papers we have counts for
16 papers
Influence of carrier density and disorder on the Quantum Hall plateau widths in epitaxial graphene
Ignacio Figueruelo-Campanero, Yuriko Baba, Alejandro Jimeno-Pozo +9
Since its discovery, graphene has been one of the most prominent 2D materials due to its unique properties and broad range of possible applications. In particular, the half-integer…
Terahertz photocurrent probe of quantum geometry and interactions in magic-angle twisted bilayer graphene
Roshan Krishna Kumar, Geng Li, Riccardo Bertini +24
Moiré materials represent strongly interacting electron systems bridging topological and correlated physics. Despite significant advances, decoding wavefunction properties underlyi…
Infrared Spectroscopy for Diagnosing Superlattice Minibands in Magic-angle Twisted Bilayer Graphene
Geng Li, Roshan Krishna Kumar, Petr Stepanov +11
Twisted bilayer graphene (TBG) represents a highly tunable, strongly correlated electron system owed to its unique flat electronic bands. However, understanding the single-particle…
Robust flat bands in twisted trilayer graphene quasicrystals
Chen-Yue Hao, Zhen Zhan, Pierre A. Pantaleón +6
Moiré structures formed by twisting three layers of graphene with two independent twist angles present an ideal platform for studying correlated quantum phenomena, as an infinite s…
Designing Moire Patterns by Shearing
Pierre A. Pantaleon, Hector Sainz-Cruz, Francisco Guinea
We analyze the elastic properties, structural effects, and low-energy physics of a sheared nanoribbon placed on top of graphene, which creates a gradually changing moire pattern. B…
Flat band localization in twisted bilayer graphene nanoribbons
Elias Andrade, Pierre A. Pantaleón, Francisco Guinea +1
We analyze the electronic structure of twisted bilayer graphene (TBG) nanoribbons close to the magic angle. We describe a transition from an incomplete to a complete moiré structur…
Electronic properties of twisted bilayer graphene suspended and encapsulated with hexagonal boron nitride
Min Long, Zhen Zhan, Pierre A. Pantaleón +3
The recent observed anomalous Hall effect in magic angle twisted bilayer graphene (TBG) aligned to hexagonal boron nitride (hBN) and unconventional ferroelectricity in Bernal bilay…
Superconductivity from electronic interactions and spin-orbit enhancement in bilayer and trilayer graphene
Alejandro Jimeno-Pozo, Héctor Sainz-Cruz, Tommaso Cea +2
We discuss a Kohn-Luttinger-like mechanism for superconductivity in Bernal bilayer graphene and rhombohedral trilayer graphene. Working within the continuum model description, we f…
Interaction-Enhanced Topological Hall Effects in Strained Twisted Bilayer Graphene
Pierre A. Pantaleón, Vo Tien Phong, Gerardo G. Naumis +1
We analyze the effects of the long-range Coulomb interaction on the distribution of Berry curvature among the bands near charge neutrality of twisted bilayer graphene (TBG) closely…
An accurate description of the structural and electronic properties of twisted bilayer graphene-boron nitride heterostructures
Min Long, Pierre A. Pantaleón, Zhen Zhan +3
Twisted bilayer graphene (TBG) has taken the spotlight in the condensed matter community since the discovery of correlated phases at the so-called magic angle. Interestingly, the r…
Electrostatic interactions in twisted bilayer graphene
Tommaso Cea, Pierre A. Pantaleón, Niels R. Walet +1
The effects of the long range electrostatic interaction in twisted bilayer graphene are described using the Hartree-Fock approximation. The results show a significant dependence of…
Superconductivity from Repulsive Interactions in Rhombohedral Trilayer Graphene: a Kohn-Luttinger-Like Mechanism
Tommaso Cea, Pierre A. Pantaleón, Vo Tien Phong +1
We study the emergence of superconductivity in rhombohedral trilayer graphene due purely to the long-range Coulomb repulsion. This repulsive-interaction-driven phase in rhombohedra…
Band Structure and Superconductivity in Twisted Trilayer Graphene
Vo Tien Phong, Pierre A. Pantaleón, Tommaso Cea +1
We study the symmetries of twisted trilayer graphene's band structure under various extrinsic perturbations, and analyze the role of long-range electron-electron interactions near…
High transmission in twisted bilayer graphene with angle disorder
Héctor Sainz-Cruz, Tommaso Cea, Pierre A. Pantaleón +1
Angle disorder is an intrinsic feature of twisted bilayer graphene and other moiré materials. Here, we discuss electron transport in twisted bilayer graphene in the presence of ang…
Unconventional Thermal Magnon Hall Effect in a Ferromagnetic Topological Insulator
Christian Moulsdale, Pierre A. Pantaleón, Ramon Carrillo-Bastos +1
We present theoretically the thermal Hall effect of magnons in a ferromagnetic lattice with a Kekulé-O coupling (KOC) modulation and a Dzyaloshinskii-Moriya interaction (DMI). Thro…
Edge states in a ferromagnetic honeycomb lattice with armchair boundaries
Pierre A. Pantaleón, Yang Xian
We investigate the properties of magnon edge states in a ferromagnetic honeycomb lattice with armchair boundaries. In contrast with fermionic graphene, we find novel edge states du…