B. Lazarovits, B. Újfalussy, L. Szunyogh, B.L. Gyorffy, P. Weinberger:

"Magnetic properties of quantum corrals from first-principles calculations";

Journal of Physics: Condensed Matter,16(2004), 1 - 12.

We present calculations for the electronic and magnetic properties of surface

states confined by a circular quantum corral built of magnetic adatoms (Fe)

on a Cu(111) surface. We show the oscillations of charge and magnetization

densitieswithin the corral and the possibility of the appearance of spin-polarized

states. In order to classify the peaks in the calculated density of states with

orbital quantum numberswe analysed the problem in terms of a simple quantum

mechanical circular well model. This model is also used to estimate the

behaviour of the magnetization and energy with respect to the radius of the

circular corral. The calculations are performed fully relativistically using the

embedding technique within the Korringa-Kohn-Rostokermethod.

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