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Chang, Z; Chang, Z , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
Fermion condensation and boson saturation in cuprates
Source PublicationPHYSICS LETTERS A
KeywordValence-bond State Quantum Antiferromagnet Square-lattice Single Hole Superconductors Models Excitations Oscillator Symmetry Motion
AbstractUsing the slave-boson approach, we show that the boundary terms of the t-J model change the symmetry of the system from an ordinary Lie group into a quantum group. The novel property of fermion condensation and boson saturation is demonstrated below the critical concentration point of doping using quantum symmetry. After taking into account the novel phenomena, we obtain an antiferromagnetic correlation and small Fermi pockets centered around (+/-1/2 pi, +/-1/2 pi) at low doping which evolve into a large Fermi surface at high doping concentrations.
1996
ISSN0375-9601
Volume222Issue:5Pages:333-337
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12560
Collection理论物理所科研产出_SCI论文
Corresponding AuthorChang, Z , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
Recommended Citation
GB/T 7714
Chang, Z,Chang, Z , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.. Fermion condensation and boson saturation in cuprates[J]. PHYSICS LETTERS A,1996,222(5):333-337.
APA Chang, Z,&Chang, Z , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA..(1996).Fermion condensation and boson saturation in cuprates.PHYSICS LETTERS A,222(5),333-337.
MLA Chang, Z,et al."Fermion condensation and boson saturation in cuprates".PHYSICS LETTERS A 222.5(1996):333-337.
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