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The Phase Diagram of the Fractional Quantum Hall Effect: Effects of Landau Level Mixing and Non-Zero Width
Kiryl Pakrouski, Michael R. Peterson, Thierry Jolicoeur +3
Interesting non-Abelian states, e.g., the Moore-Read Pfaffian and the anti-Pfaffian, offer candidate descriptions of the fractional quantum Hall state. But the significant…
Classifying symmetry-protected topological phases through the anomalous action of the symmetry on the edge
Dominic V. Else, Chetan Nayak
It is well known that (1+1)-D bosonic symmetry-protected topological (SPT) phases with symmetry group can be identified by the projective representation of the symmetry at the…
Unexpected tunneling current from downstream neutral modes
Jennifer Cano, Chetan Nayak
We analyze transport through a quantum point contact in fractional quantum Hall states with counter-propagating neutral edge modes. We show that both the noise (as expected and pre…
Analyzing many-body localization with a quantum computer
Bela Bauer, Chetan Nayak
Many-body localization, the persistence against electron-electron interactions of the localization of states with non-zero excitation energy density, poses a challenge to current m…
The Effects of Landau level mixing on the fractional quantum Hall effect in monolayer Graphene
Michael R. Peterson, Chetan Nayak
We report results of exact diagonalization studies of the spin- and valley-polarized fractional quantum Hall effect in the and 1 Landau levels in graphene. We use an effectiv…
Perfect Metal Phases of One-Dimensional and Anisotropic Higher-Dimensional Systems
Eugeniu Plamadeala, Michael Mulligan, Chetan Nayak
We show that a 1D quantum wire with channels of interacting fermions has a perfect metal phase in which all weak perturbations that could destabilize this phase are irrelevant…