97 citations · 106 across the 5 of their papers we have counts for
5 papers
Interplay of local and global quantum geometry in the stability of flat-band superfluids
Kukka-Emilia Huhtinen, Matteo Dürrnagel, Valerio Peri +1
Quantum geometry strongly impacts physical properties in flat-band systems. We consider its role in bosonic condensation and superfluidity on flat bands, and show that the superflu…
Partial suppression of magnetism in the square lattice SU(3) Hubbard model
Samuel Bird, Sebastian Huber, Jannes Nys
The SU(N) Hubbard model is a natural extension of the SU(2) model. However, even the N=3 case remains poorly understood. We report a substantially new ground-state phase diagram of…
Design and characterization of all two-dimensional fragile topological bands
Samuel Bird, Chiara Devescovi, Pascal Engeler +5
Designing topological materials with specific topological indices is a complex inverse problem, traditionally tackled through manual, intuition-driven methods that are neither scal…
Theory of Coulomb driven nematicity in a multi-valley two-dimensional electron gas
Vladimir Calvera, Agnes Valenti, Sebastian D. Huber +2
The properties of a two-dimensional electron gas (2DEG) in a semiconductor host with two valleys related by an underlying rotational symmetry are studied using Hartree-Fock (…
Phase Transitions in a Bose-Hubbard Model with Cavity-Mediated Global-Range Interactions
N. Dogra, F. Brennecke, S. D. Huber +1
We study a system with competing short- and global-range interactions in the framework of the Bose-Hubbard model. Using a mean-field approximation we obtain the phase diagram of th…