Role of chiral quantum Hall edge states in nuclear spin polarization

Quantum Hall phases in two-dimensional systems have chiral edges, along which electrons propagate in one direction without backscattering. Here, the authors use nuclear magnetic resonance to demonstrate how chiral modes establish dynamical nuclear polarization in a quantum Hall ferromagnet.

Bibliographic Details
Main Authors: Kaifeng Yang, Katsumi Nagase, Yoshiro Hirayama, Tetsuya D. Mishima, Michael B. Santos, Hongwu Liu
Format: Article
Language:English
Published: Nature Portfolio 2017-04-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/ncomms15084