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Spontaneous Layer Polarization and Conducting Domain Walls in the Quantum Hall Regime of Bilayer Graphene
Kusum Dhochak, Efrat Shimshoni, Erez Berg
Bilayer graphene subjected to perpendicular magnetic and electric fields displays a subtle competition between different symmetry broken phases, resulting from an interplay between…
Ferromagnetic and Nematic Non-Fermi Liquids in Spin-Orbit Coupled Two-Dimensional Fermi Gases
Jonathan Ruhman, Erez Berg
We study the fate of a two-dimensional system of interacting fermions with Rashba spin-orbit coupling in the dilute limit. The interactions are strongly renormalized at low densiti…
Emergent supersymmetry at the Ising-Berezinskii-Kosterlitz-Thouless multicritical point
Liza Huijse, Bela Bauer, Erez Berg
We show that supersymmetry emerges in a large class of models in 1+1 dimensions with both Z_2 and U(1) symmetry at the multicritical point where the Ising and Berezinskii-Kosterlit…
Coherent Transmutation of Electrons into Fractionalized Anyons
Maissam Barkeshli, Erez Berg, Steven Kivelson
Electrons have three quantized properties -- charge, spin, and Fermi statistics -- that are directly responsible for a vast array of phenomena. Here we show how these properties ca…