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Edge--Entanglement correspondence for gapped topological phases with symmetry
Maciej Koch-Janusz, Kusum Dhochak, Erez Berg
The correspondence between the edge theory and the entanglement spectrum is firmly established for the chiral topological phases. We study gapped, topologically ordered, non-chiral…
Non-Fermi-liquid at (2+1)d ferromagnetic quantum critical point
Xiao Yan Xu, Kai Sun, Yoni Schattner +2
We construct a two-dimensional lattice model of fermions coupled to Ising ferromagnetic critical fluctuations. Using extensive sign-problem-free quantum Monte Carlo simulations, we…
Superconductivity and non-Fermi liquid behavior near a nematic quantum critical point
Samuel Lederer, Yoni Schattner, Erez Berg +1
Using determinantal quantum Monte Carlo, we compute the properties of a lattice model with spin itinerant electrons tuned through a quantum phase transition to an Ising…
Quantum critical properties of a metallic spin density wave transition
Max H. Gerlach, Yoni Schattner, Erez Berg +1
We report on numerically exact determinantal quantum Monte Carlo simulations of the onset of spin-density wave (SDW) order in itinerant electron systems captured by a sign-problem-…
Fate of the one-dimensional Ising quantum critical point coupled to a gapless boson
Ori Alberton, Jonathan Ruhman, Erez Berg +1
The problem of a quantum Ising degree of freedom coupled to a gapless bosonic mode appears naturally in many one dimensional systems, yet surprisingly little is known how such a co…
Non-quasiparticle transport and resistivity saturation: A view from the large-N limit
Yochai Werman, Steven A. Kivelson, Erez Berg
The electron dynamics in metals are usually well described by the semiclassical approximation for long-lived quasiparticles. However, in some metals, the scattering rate of the ele…