On the Ising-Heisenberg model with the doubly decorated network structure I
arXiv:cond-mat/0304310 · doi:10.1016/j.jmmm.2003.12.1011
Abstract
Using an exact mapping transformation method, magnetic properties of a spin-1/2 and spin-1 doubly decorated Ising-Heisenberg model are investigated in detail. By assuming that both interaction parameters are ferromagnetic, we found in addition to an usual ferromagnetic phase another two phases with a nontrivial long-range order.
3 pages, 2 figures, to be presented at conference ICM 2003
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