Orbital Magnetic Ordering in Disordered Mesoscopic Systems
arXiv:cond-mat/9805157 · doi:10.1016/S0304-8853(98)00223-6
Abstract
We present some model calculations of persistent currents in disordered one- and two-dimensional mesoscopic systems. We use the tight-binding model and calculate numerically the currents in small systems for several values of disorder. Next we fit appropriate analytical formulae, and using them we find self- -sustaining currents and critical fields in larger, more realistic systems with different shapes of the Fermi surfaces.
16 pages, LaTeX, 8 figures, in print in J. Magn. Magn. Mat