Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2003-11-20
EuroPhys. Lett. 66, 419 (2004)
Physics
Condensed Matter
Disordered Systems and Neural Networks
4 pages
Scientific paper
10.1209/epl/i2003-10222-0
The dependence of the transition temperature $T_g$ in terms of the
concentration of magnetic impurities $c$ in spin glasses is explained on the
basis of a screened RKKY interaction. The two observed power laws, $T_g ~ c$ at
low $c$ and $T_g ~ c^{2/3}$ for intermediate $c$, are described in a unified
approach.
Gracia Ruben Serral
Lerner Igor V.
Nieuwenhuizen Th. M.
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