W. Baltensperger et Js. Helman, RUDERMAN-KITTEL-KASUYA-YOSIDA POLARIZATIONS IN INHOMOGENEOUS-MEDIA, Journal of applied physics, 76(10), 1994, pp. 6980-6982
An analytical treatment of the Ruderman-Kittel-Kasuya-Yosida polarizat
ion in inhomogeneous media is possible for some simple models. This is
exemplified with the half-spaces and slabs in one and three dimension
s, and with an especially chosen potential barrier in one dimension.