Ullmo, Denis and Richter, Klaus and Baranger, Harold U. and Oppen, Felix von and Jalabert, Rodolfo A.
Semiclassical Approach to Orbital Magnetism of Interacting Diffusive Quantum Systems.
Physica E 1 (1-4), pp. 268-273.
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Other URL: http://dx.doi.org/10.1016/S1386-9477(97)00058-1
We study interaction effects on the orbital magnetism of diffusive mesoscopic quantum systems. By combining many-body perturbation theory with semiclassical techniques, we show that the interaction contribution to the ensemble-averaged quantum thermodynamic potential can be reduced to an essentially classical operator. We compute the magnetic response of disordered rings and dots for ...
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