کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
978933 | 933312 | 2010 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Potts model with q=4,6, and 8 states on Voronoi-Delaunay random lattice
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
فیزیک ریاضی
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چکیده انگلیسی
Through Monte Carlo simulations we study the 2D Potts models with q=4,6 and 8 states on Voronoi-Delaunay random lattice. In this study, we assume that the coupling factor J varies with the distance r between the first neighbors as J(r)âeâar, with aâ¥0. The disordered system is simulated by applying the single-cluster Monte Carlo update algorithm and the reweighting technique. In this model both second-order and first-order phase transitions are present depending on q values and a parameter. The critical exponents' ratios β/ν,γ/ν, and 1/ν were calculated for the case where the second-order phase transitions are present. In the Potts model with q=8 we also studied the distribution of cluster sizes.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica A: Statistical Mechanics and its Applications - Volume 389, Issue 16, 15 August 2010, Pages 3039-3047
Journal: Physica A: Statistical Mechanics and its Applications - Volume 389, Issue 16, 15 August 2010, Pages 3039-3047
نویسندگان
F.W.S. Lima,