MONTE CARLO STUDY OF THE PHASE DIAGRAM OF ISING FERROMAGNET WITH MIXED SPINS OF S=l/2 AND S=l WITH A CRYSTAL FIELD INTERACTION ON THE HONEYCOMB LATTICE

ZHANG GUO-MING; YANG CHUAN-ZHANG

doi:10.7498/aps.42.987

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MONTE CARLO STUDY OF THE PHASE DIAGRAM OF ISING FERROMAGNET WITH MIXED SPINS OF S=l/2 AND S=l WITH A CRYSTAL FIELD INTERACTION ON THE HONEYCOMB LATTICE

ZHANG GUO-MING , YANG CHUAN-ZHANG

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MONTE CARLO STUDY OF THE PHASE DIAGRAM OF ISING FERROMAGNET WITH MIXED SPINS OF S=l/2 AND S=l WITH A CRYSTAL FIELD INTERACTION ON THE HONEYCOMB LATTICE

ZHANG GUO-MING, YANG CHUAN-ZHANG

Acta Phys. Sin., 1993, 42(6): 987-991.

doi: 10.7498/aps.42.987

Abstract
The single-spin-flip Metropolis-Monte-Carlo algorithm is applied to the study of phase diagram of Ising ferromagnet with mixed spins of S = l/2 and S = 1 with a crystal field interaction on the honeycomb lattice. The phase diagram we obtained is very close to the exact solutions and better than the results of effective field theory with correlations. All these make us arrixe the conclusion that the Metropolis Monte Carlo algorithm can also be used to study the mixed-spin model.
Authors and contacts
ZHANG GUO-MING,

YANG CHUAN-ZHANG

1.
苏州大学物理系,苏州215006
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