10 citations · 37 across the 5 of their papers we have counts for
8 papers
Engineering Quantum Hall Phases in Synthetic Bilayer Graphene System
Ze-Pei Cian, Tobias Grass, Abolhassan Vaezi +2
Synthetic quantum Hall bilayer (SQHB), realized by optically driven monolayer graphene in the quantum Hall regime, provides a flexible platform for engineering quantum Hall phases…
Fractional angular momentum and anyon statistics of impurities in Laughlin liquids
Tobias Graß, Bruno Juliá-Díaz, Niccolò Baldelli +2
The elementary excitations of a fractional quantum Hall liquid are quasiparticles or quasiholes which are neither bosons nor fermions, but so-called anyons. Here we study impurity…
Optical excitations in compressible and incompressible two-dimensional electron liquids
Tobias Graß, Ovidiu Cotlet, Atac İmamoğlu +1
Optically generated electron-hole pairs can probe strongly correlated electronic matter, or, by forming exciton-polaritons within an optical cavity, give rise to photonic nonlinear…
Quantum annealing with longitudinal bias fields
Tobias Graß
Quantum annealing aims at solving hard computational problems through adiabatic state preparation. Here, I propose to use inhomogeneous longitudinal magnetic fields to enhance the…
Observation of chiral photocurrent transport in the quantum Hall regime in graphene
Olivier Gazzano, Bin Cao, Jiuning Hu +6
Optical excitation provides a powerful tool to investigate non-equilibrium physics in quantum Hall systems. Moreover, the length scale associated with photo-excited charge carries…
Excitations and correlations in the driven-dissipative Bose-Hubbard model
Tobias Graß
Using a field-theoretic approach within the Schwinger-Keldysh formalism, we study a Bose-Hubbard model in the presence of a driving field and dissipation due to one-body losses. We…