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Correlated Topological States in Graphene Nanoribbon Heterostructures
Jan-Philip Joost, Antti-Pekka Jauho, Michael Bonitz
Finite graphene nanoribbon (GNR) heterostructures host intriguing topological in-gap states (Rizzo, D. J. et al.~\textit{Nature} \textbf{2018}, \textit{560}, 204]). These states ma…
Valley Hall Effect and Non-Local Resistance in Locally Gapped Graphene
Thomas Aktor, Jose H. Garcia, Stephan Roche +2
We report on the emergence of bulk, valley-polarized currents in graphene-based devices, driven by spatially varying regions of broken sublattice symmetry, and revealed by non-loca…
Quantum interference engineering of nanoporous graphene for carbon nanocircuitry
Gaetano Calogero, Isaac Alcón, Nick Papior +2
Bottom-up prepared carbon nanostructures appear as promising platforms for future carbon-based nanoelectronics, due to their atomically precise and versatile structure. An importan…
Coulomb drag between a carbon nanotube and monolayer graphene
S. M. Badalyan, A. P. Jauho
We study Coulomb drag in a system consisting of a carbon nanotube (CNT) and monolayer graphene. Within the Fermi liquid theory we calculate the drag resistivity and find that the d…
Tunable valley Hall effect in gate-defined graphene superlattices
Johannes H. J. Martiny, Kristen Kaasbjerg, Antti-Pekka Jauho
We theoretically investigate gate-defined graphene superlattices with broken inversion symmetry as a platform for realizing tunable valley dependent transport. Our analysis is moti…
Gate electrostatics and quantum capacitance in ballistic graphene devices
José M. Caridad, Stephen R. Power, Artsem A. Shylau +3
We experimentally investigate the charge induction mechanism across gated, narrow, ballistic graphene devices with different degrees of edge disorder. By using magnetoconductance m…
Symmetry of superconducting correlations in displaced bilayers of graphene
Mohammad Alidoust, Morten Willatzen, Antti-Pekka Jauho
Using a Green's function approach, we study phonon-mediated superconducting pairing symmetries that may arise in bilayer graphene where the monolayers are displaced in-plane with r…
Plasmon-Emitter Interactions at the Nanoscale
P. A. D. Gonçalves, Thomas Christensen, Nicholas Rivera +3
Plasmon-emitter interactions are of paramount importance in modern nanoplasmonics and are generally maximal at short emitter-surface separations. However, when the separation falls…
Signatures of adatom effects in the quasiparticle spectrum of Li-doped graphene
Kristen Kaasbjerg, Antti-Pekka Jauho
We study the spectral function and quasiparticle scattering in Li-decorated graphene (Li@graphene) with an atomistic -matrix formalism and uncover adatom-induced spectral effect…
Fluctuation-driven Coulomb drag in interacting quantum dot systems
Miguel A. Sierra, David Sánchez, Antti-Pekka Jauho +1
Coulomb drag between nanoscale conductors is of both fundamental and practical interest. Here, we theoretically study drag in a double quantum-dot (QD) system consisting of a biase…
Control of superconducting pairing symmetries in monolayer black phosphorus
Mohammad Alidoust, Morten Willatzen, Antti-Pekka Jauho
Motivated by recent experimental progress, we study the effect of mechanical deformations on the superconducting pairing symmetries in monolayer black phosphorus (MBP). Starting wi…
In memoriam Leonid V. Keldysh
Michael Bonitz, Antti-Pekka Jauho, Michael Sadovski +1
Leonid Keldysh -- one of the most influential theoretical physicists of the 20th century -- passed away in November 2016. Keldysh is best known for the diagrammatic formulation of…