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题名: Insulator-to-metal phase transition in Yb-based Kondo insulators
作者: Li, Guang-Bin ;  Zhang, Guang-Ming ;  Yu, Lu
刊名: EPL
出版日期: 2010
卷号: 91, 期号:5, 页码:-
关键词: MAGNETIC-FIELD ;  YBB12
学科分类: Physics
通讯作者: Li, GB , Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
部门归属: [Li, GB; Zhang, GM] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China; [Yu, L] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China; [Yu, L] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: The periodic Anderson lattice model for the crystalline electric field (CEF) split 4f quartet states is used to describe the Yb-based Kondo insulators. In the slave-boson mean-field approximation, we derive the hybridized quasiparticle bands, and surprisingly find that decreasing the hybridization difference of the two CEF quartets may induce a continuous insulator-to-metal phase transition. The resulting metallic phase has a hole and an electron Fermi pocket. Such a phase transition may be realized experimentally by applying pressure, reducing the difference in hybridization of the two CEF quartets in real materials. Copyright (C) EPLA, 2010
资助者: NSF-China; MOST, China
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000282123300023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5052
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Li, Guang-Bin,Zhang, Guang-Ming,Yu, Lu. Insulator-to-metal phase transition in Yb-based Kondo insulators[J]. EPL,2010,91(5):-.
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