Spin reconstruction in quantum wires subject to a perpendicular magnetic field
Strongly Correlated Electrons
2010-12-10 v2 Mesoscale and Nanoscale Physics
Abstract
We study the effects of a perpendicular magnetic field on the spin and charge distribution across a quantum wire. Using momentum resolved tunneling between two parallel wires we measure the dispersion relation for different perpendicular magnetic fields. We find that as the magnetic field increases, a strip of spin polarized electrons separates in the cross section of the wire. We provide a quantitative description of the emerging structure within a Hartree-Fock approximation, showing that it results from exchange interaction between electrons in the wire. We discuss the relation of these results to the structure of Quantum Hall edge states.
Keywords
Cite
@article{arxiv.1012.1845,
title = {Spin reconstruction in quantum wires subject to a perpendicular magnetic field},
author = {Gilad Barak and Loren N. Pfeiffer and Ken W. West and Bertrand I. Halperin and Amir Yacoby},
journal= {arXiv preprint arXiv:1012.1845},
year = {2010}
}