Strength of the Ruderman-Kittel-Kasuya-Yosida interaction in dilute CuMn alloys

Abstract

From measurements of the magnetic properties of some dilute CuMn alloys we have determined the strength of the Ruderman-Kittel-Kasuya-Yosida interaction, $V\left(r\right)=\frac{\left(V_{0}cos2k_{F}r\right)}{r^3}$, to be $V_0=7.5\mathrm{}\times {10}^{-37\mathrm{}}$ erg ${\mathrm{cm}}^3$. The corresponding value of the $s$-$d$ exchange parameter is $\mathrm{}\left|J\right|=2.2\mathrm{}$ eV.