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WU, CQ; SU, ZB![]() ![]() | |
SCHWINGER-BOSON STUDIES OF THE SINGLE HOLE MOTION IN A 2D QUANTUM ANTIFERROMAGNET | |
发表期刊 | INTERNATIONAL JOURNAL OF MODERN PHYSICS B
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关键词 | Mean Field-theory T-j Model Spectral-function Hubbard-model Lattice Superconductivity |
摘要 | Within the Schwinger-boson approach for the t-J model, the single hole problem in a two-dimensional quantum antiferromagnet is studied by using the quantum Bogoliubovde Gennes formalism which treats the distortion of the spin background and quantum spin fluctuations on an equal footing. Several self-trapped localized hole states are found in the distorted spin-background as in the case of an anisotropic Heisenberg model. These localized hole states survive at finite temperatures when the antiferromagnetic order becomes short-ranged. The energy separation between the two lowest states is reduced by considering the spin-background distortion, but it remains finite. |
1994 | |
ISSN | 0217-9792 |
卷号 | 8期号:27页码:3843-3858 |
学科领域 | Physics |
收录类别 | SCI |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.itp.ac.cn/handle/311006/11826 |
专题 | 理论物理所科研产出_SCI论文 |
通讯作者 | WU, CQ , FUDAN UNIV,TD LEE PHYS LAB,SHANGHAI 200433,PEOPLES R CHINA. |
推荐引用方式 GB/T 7714 | WU, CQ,SU, ZB,YU, L,et al. SCHWINGER-BOSON STUDIES OF THE SINGLE HOLE MOTION IN A 2D QUANTUM ANTIFERROMAGNET[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS B,1994,8(27):3843-3858. |
APA | WU, CQ,SU, ZB,YU, L,&WU, CQ , FUDAN UNIV,TD LEE PHYS LAB,SHANGHAI 200433,PEOPLES R CHINA..(1994).SCHWINGER-BOSON STUDIES OF THE SINGLE HOLE MOTION IN A 2D QUANTUM ANTIFERROMAGNET.INTERNATIONAL JOURNAL OF MODERN PHYSICS B,8(27),3843-3858. |
MLA | WU, CQ,et al."SCHWINGER-BOSON STUDIES OF THE SINGLE HOLE MOTION IN A 2D QUANTUM ANTIFERROMAGNET".INTERNATIONAL JOURNAL OF MODERN PHYSICS B 8.27(1994):3843-3858. |
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