| Phase Transition of a Distance-Dependent Ising Model on the Barabasi-Albert Network |
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| 作者姓名： | 戴俊 何大韧 |
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| 作者单位： | [1]College of Mathematics and Physics, Jiangsu University of Science and Technology of China, Zhenjiang 212003 [2]College of Physics Science and Technology, Yangzhou University of China, Yangzhou 225002 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No 10635040. |
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| 摘 要： | We report our investigation on the behaviour of distance-dependent Ising models, which are located on the BA model network. The interaction strength between two nodes （the spins） is considered to obey an exponential decay dependence on the geometrical distance. The Monte Carlo simulation shows a phase transition from ferromagnetism to paramagnetism, and the critical temperature approaches a constant temperature as the interaction decaying exponent increases.
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| 关 键 词： | 相位变换 Barabasi-Albert网络 交互作用 几何距离 |
| 收稿时间： | 2007-07-28 |
Phase Transition of a Distance-Dependent Ising Model on the Barabasi--Albert Network |
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| DAI Jun,HE Da-Ren.Phase Transition of a Distance-Dependent Ising Model on the Barabasi-Albert Network[J].Chinese Physics Letters,2007,24(12):3355-3357. |
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| Authors: | DAI Jun HE Da-Ren |
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| Institution: | College of Mathematics and Physics, Jiangsu University of Science and Technology of China, Zhenjiang 212003College of Physics Science and Technology, Yangzhou University of China, Yangzhou 225002 |
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| Abstract: | We report our investigation on the behaviour of distance-dependent Ising models, which are located on the BA model network. The interaction strength between two nodes (the spins) is considered to obey an exponential decay dependence on the geometrical distance. The Monte Carlo simulation shows a phase transition from ferromagnetism to paramagnetism, and the criticaltemperature approaches a constant temperature as the interaction decaying exponent increases. |
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| Keywords: | 05 90 +m 75 10 Hk |
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