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LI, YM; SHENG, DN; SU, ZB; YU, L; LI, YM , INT CTR THEORET PHYS,POB 586,I-34100 TRIESTE,ITALY.
SCHWINGER-BOSON STUDIES OF THE T-J MODEL - A SELF-CONSISTENT SYSTEMATIC EXPANSION
Source PublicationPHYSICAL REVIEW B
KeywordMean-field-theory Valence-bond State High-temperature Superconductors Antiferromagnetic Heisenberg-model Quantum Antiferromagnet Square-lattice Hubbard-model Spiral Phases Hole Motion Dynamics
AbstractA self-consistent systematic expansion is developed for the t-J model in the Schwinger-boson approach. We treat the fermion part with use of a systematic loop expansion technique and study the effects of magnetic fluctuations on the normal-state properties. It is found that the hole motion is strongly renormalized and incoherent bands are produced by magnetic fluctuations. The conductivity and the electron density of states are calculated and shown to be anomalous. The antiferromagnetic nature of fluctuations is found to be essential for these unusual properties. The relevance of the obtained results to oxide superconductors is also discussed.
1992
ISSN0163-1829
Volume45Issue:10Pages:5428-5437
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12182
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLI, YM , INT CTR THEORET PHYS,POB 586,I-34100 TRIESTE,ITALY.
Recommended Citation
GB/T 7714
LI, YM,SHENG, DN,SU, ZB,et al. SCHWINGER-BOSON STUDIES OF THE T-J MODEL - A SELF-CONSISTENT SYSTEMATIC EXPANSION[J]. PHYSICAL REVIEW B,1992,45(10):5428-5437.
APA LI, YM,SHENG, DN,SU, ZB,YU, L,&LI, YM , INT CTR THEORET PHYS,POB 586,I-34100 TRIESTE,ITALY..(1992).SCHWINGER-BOSON STUDIES OF THE T-J MODEL - A SELF-CONSISTENT SYSTEMATIC EXPANSION.PHYSICAL REVIEW B,45(10),5428-5437.
MLA LI, YM,et al."SCHWINGER-BOSON STUDIES OF THE T-J MODEL - A SELF-CONSISTENT SYSTEMATIC EXPANSION".PHYSICAL REVIEW B 45.10(1992):5428-5437.
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