| 简立方晶格键和座稀疏横向伊辛系统的临界特性 |
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| 引用本文： | 晏世雷.简立方晶格键和座稀疏横向伊辛系统的临界特性[J].苏州大学学报(医学版),1998,14(1):42-46. |
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| 作者姓名： | 晏世雷 |
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| 作者单位： | 苏州大学物理科学与技术学院，苏州大学物理科学与技术学院 苏州 215006，苏州 215006 |
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| 摘 要： | 本文在有限集团近似的框架内分别研究了自旋１／２简立方晶格键和座稀疏横和同伊辛自旋系统的临界特性。
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| 关 键 词： | 简立方晶格 伊辛系统 临界特性 |
CRITICAL PROPERTIES OF THE BOND AND SITE DILUTION TRANSVERS ISING SYSTEM ON SIMPLE CUBIC LATTICE |
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| Yan Shilei Yang Chuanzhang.CRITICAL PROPERTIES OF THE BOND AND SITE DILUTION TRANSVERS ISING SYSTEM ON SIMPLE CUBIC LATTICE[J].Journal of Suzhou University(Natural Science),1998,14(1):42-46. |
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| Authors: | Yan Shilei Yang Chuanzhang |
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| Abstract: | The critical properties of the bond and site dilution transverse Ising system on simple cubic lattice with spin 1/2 is investigated within the framework of the finite cluster approximation (FCA). The phase diagrams, critical temperature, critical transverse field and percolation threshold are studied. Meanwhile, we discuss the influence of transverse field and bond and site concentration for critical temperature. The FCA method is conceptually as simple as an ordinary mean field approximation (MFA ), but gives much better results. |
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| Keywords: | Finite cluster approximation Bond and site dilution Spin system Simple cubic lattice |
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