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Su, YH; Xiao, QH; Xiang, T; Wang, XQ; Su, ZB; Su, YH , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
Instability of the Fermi surface in the one-dimensional Kondo lattice
Source PublicationJOURNAL OF PHYSICS-CONDENSED MATTER
KeywordMatrix Renormalization-group Correlation Length Phase-diagram Hubbard-model Ground-state Temperature Chain
AbstractThe key parameters that characterize the long wavelength behaviour of correlation functions, including the Fermi momenta and the correlation length, are calculated using the transfer matrix renormalization group for the one-dimensional Kondo lattice model. The Fermi momentum varies slowly at high temperatures, but changes sharply at low temperatures in association with the formation of the Kondo singlets. By comparison with the temperature dependence of the conduction electron density, we find that the long wavelength correlations of conduction electrons are strongly affected by the localized spins at low temperatures. At high temperatures, the conduction electrons behave as for a system with a small Fermi surface. However, at low temperatures, the Fermi momentum of the conduction electrons is altered by the coupling with the localized spins.
2004
ISSN0953-8984
Volume16Issue:28Pages:5163-5169
Subject AreaPhysics
Indexed BySCI
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14043
Collection理论物理所科研产出_SCI期刊论文
Corresponding AuthorSu, YH , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Su, YH,Xiao, QH,Xiang, T,et al. Instability of the Fermi surface in the one-dimensional Kondo lattice[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2004,16(28):5163-5169.
APA Su, YH,Xiao, QH,Xiang, T,Wang, XQ,Su, ZB,&Su, YH , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China..(2004).Instability of the Fermi surface in the one-dimensional Kondo lattice.JOURNAL OF PHYSICS-CONDENSED MATTER,16(28),5163-5169.
MLA Su, YH,et al."Instability of the Fermi surface in the one-dimensional Kondo lattice".JOURNAL OF PHYSICS-CONDENSED MATTER 16.28(2004):5163-5169.
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