Wang-Landau study of the triangular Blume-Capel ferromagnet

被引：17
|
作者：
Fytas, N. G. [1 ]
机构：
[1] Univ Patras, Dept Mat Sci, Patras 26504, Greece
来源：
EUROPEAN PHYSICAL JOURNAL B | 2011年 / 79卷 / 01期
关键词：
1ST-ORDER PHASE-TRANSITIONS; FIRST-ORDER TRANSITIONS; FINITE-SIZE DATA; RENORMALIZATION-GROUP; DIMENSIONS; ISING-MODEL; TRICRITICAL POINTS; RANDOM-FIELDS; TRIPLET IONS; MONTE-CARLO;
D O I：
10.1140/epjb/e2010-10738-y
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We report on numerical simulations of the two-dimensional Blume-Capel ferromagnet embedded in the triangular lattice. The model is studied in both its first- and second-order phase transition regime for several values of the crystal field via a sophisticated two-stage numerical strategy using the Wang-Landau algorithm. Using classical finite-size scaling techniques we estimate with high accuracy phase-transition temperatures, thermal, and magnetic critical exponents and we give an approximation of the phase diagram of the model.
引用
收藏
页码：21 / 28
页数：8
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