| 三峰无规场纯自旋Ising模型的两格点有效场理论 |
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| 引用本文： | 张学龙.三峰无规场纯自旋Ising模型的两格点有效场理论[J].新疆大学学报(理工版),1995(1). |
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| 作者姓名： | 张学龙 |
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| 作者单位： | 中国矿业大学数力系 |
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| 摘 要： | 本文利用两格点有效场理论研究具有三峰分布的无规场纯自旋Ｉｓｉｎｇ系统，并通过数值计算给出了平方点阵在无规参数Ｐ取不问值情况下的相变及磁化强度曲线．
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| 关 键 词： | 三峰无规场，两格点近似，相变，磁化强度 |
Two-site effective field theory for trimodalrandom-field Ising systems with spin-1/2 |
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| Zhang Xuelong.Two-site effective field theory for trimodalrandom-field Ising systems with spin-1/2[J].Journal of Xinjiang University(Science & Engineering),1995(1). |
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| Authors: | Zhang Xuelong |
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| Abstract: | The trimodal random-field Ising modal is investigated by introducing a parameter p to simulate the fraction of spins not exPOsed to the longitudinal magnetic field. The influence of random-field for different cases on the phase transition and the magnetization curve are obtained by the numerical analysis. |
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| Keywords: | trimodal random-rield two-site approximation phase transition magnetization |
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