14 papers
Emergence of Resonating Valence-Bond Correlations in Stretched Graphene
Sam Azadi, A. Principi, T. D. Kühne +1
Electronic correlations in graphene are generally considered weak due to the large bandwidth of its electrons. Here we show that tensile expansion of the honeycomb lattice pro…
The role of polarization field terms in a model for a cavity quantum material
Arwen Lloyd, Adam Stokes, Alessandro Principi +1
Constructing models for cavity quantum materials requires a careful treatment of the light-matter coupling. In general, one must specify matrix elements constructed from the materi…
Valley-Controlled Viscosity of Two-Dimensional Dirac Fluids
Alexey Ermakov, Alessandro Principi
Motivated by recent experiments in weakly hybridized small-angle twisted bilayer graphene, we investigate how valley imbalance affects the viscosity of two-dimensional Dirac fluids…
Operator Space Transport and the Emergence of Boundary Time Crystals
Dominik Nemeth, Ahsan Nazir, Robert-Jan Slager +1
Boundary time crystals (BTCs) are prominent examples of continuous time crystals in collective spin systems governed by Lindbladian evolution. To date, their analysis has mostly re…
Anomalous thermoelectric Hall response of interacting 2D Dirac fermions
A. Daria Dumitriu-I., Feng Liu, Alexander E. Kazantsev +1
We study the anomalous thermoelectric Hall response of two-dimensional massive Dirac fermions to first order in the electron-electron interaction. We compute both the Nernst respon…
Topological Boundary Time Crystal Oscillations
Dominik Nemeth, Ahsan Nazir, Alessandro Principi +1
Boundary time crystals (BTCs) break time-translation symmetry and exhibit long-lived, robust oscillations insensitive to initial conditions. We show that collective spin BTCs can a…