Possibility of two-channel orbital Kondo "spin" 1/2 conductance in a quantum dot
Mesoscale and Nanoscale Physics
2009-11-07 v2 Strongly Correlated Electrons
Abstract
We propose that two-channel orbital Kondo ``spin'' 1/2 conductance can be measured in a quantum dot at Coulomb Blockade with an odd number of electrons with contacts in a pillar configuration, if an orthogonal magnetic field induces an appropriate level crossing. At the zero-temperature strong coupling fixed point the conductance reaches the unitarity limit with a non-Fermi liquid sqrt(T)-law.
Cite
@article{arxiv.cond-mat/0101341,
title = {Possibility of two-channel orbital Kondo "spin" 1/2 conductance in a quantum dot},
author = {Domenico Giuliano and Benoit Jouault and Arturo Tagliacozzo},
journal= {arXiv preprint arXiv:cond-mat/0101341},
year = {2009}
}
Comments
8 pages, 3 .eps figures