| The Green Function Approach to the Two—Dimensional t—J model |
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| 作者姓名： | 宋波 王玉鹏 等 |
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| 作者单位： | [1]TechnicalInstituteofPhysicsandChemistry,ChineseAcademyofSciences,Beijing100080 [2]InstituteofPhysicsandCenterforCondensedMatterPhysics,ChineseAcademyofSciences,Beijing100080 |
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| 摘 要： | We investigate the two-dimensional t-J model by the Green function approach with the Hubbard operator.The phase diagram,including the Neel temperature and the superconducting transition temperature simultaneously,is derived.The results are consistent with experiments of cuprate compounds.
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| 关 键 词： | 超导体 相变温度 二维t－J模型 格林函数方法 |
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