Electron kinetics in isolated mesoscopic rings driven out of equilibrium
Abstract
Kinetic theory of nonlinear current response to an external field is developed for mesoscopic normal metal rings threaded by a magnetic flux. General expressions for direct current (dc) are derived for a nonequilibrium regime. These expressions describe simultaneously a contribution to dc made by a nonequilibrium (external) field, as well as the contribution caused by interaction with intrinsic fields. Contributions of electronelectron and electronphonon interactions to the direct current in a nonequilibrium systems are estimated. The kinetic equation for electrons in a pumped disordered metal ring is solved with taking into account the Coulomb and electronphonon interactions. This gives an estimate of an overheating of the pumped electron system.
 Publication:

Physical Review B
 Pub Date:
 April 2003
 DOI:
 10.1103/PhysRevB.67.155310
 arXiv:
 arXiv:condmat/0206109
 Bibcode:
 2003PhRvB..67o5310Y
 Keywords:

 73.23.Ra;
 72.15.Rn;
 72.40.+w;
 72.70.+m;
 Persistent currents;
 Localization effects;
 Photoconduction and photovoltaic effects;
 Noise processes and phenomena;
 Condensed Matter  Mesoscale and Nanoscale Physics
 EPrint:
 12 pages, 4 figures, LaTeX