| Critical Behaviour of the One—Dimensional Ferromagnetic t—J Model |
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| 引用本文： | 杨赋,王玉鹏.Critical Behaviour of the One—Dimensional Ferromagnetic t—J Model[J].中国物理快报,2002,19(1):108-110. |
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| 作者姓名： | 杨赋 王玉鹏 |
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| 作者单位： | [1]TechnicalInstituteofPhysics＆Chemistry,ChineseAcademyofSciences,Beijing100080 [2]InstituteofPhysicsandCenterforCondensedMatterPhysics,ChineseAcademyofSciences,Beijing100080 |
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| 摘 要： | The one-dimensional super-symmetric ferromagnetic t-J model is studied via the thermal Bethe ansatz.Analytic expressions of the free energy for T→O are obtained.A new critical behaviour beyond the universal class of Luttinger Liquids is found in this system.
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| 关 键 词： | 铁磁t－J模型 临界行为 低温物理 |
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