LARGE FERMI-SURFACE OF THE ONE-DIMENSIONAL KONDO-LATTICE MODEL

被引：38
|
作者：
UEDA, K
NISHINO, T
TSUNETSUGU, H
机构：
[1] TOHOKU UNIV, DEPT PHYS, SENDAI, MIYAGI 980, JAPAN
[2] SWISS FED INST TECHNOL, CH-8093 ZURICH, SWITZERLAND
[3] SWISS FED INST TECHNOL, INTERDISZIPLINARES PROJEKTZENTRUM SUPERCOMP, CH-8092 ZURICH, SWITZERLAND
[4] UNIV TOKYO, INST SOLID STATE PHYS, TOKYO 106, JAPAN
来源：
PHYSICAL REVIEW B | 1994年 / 50卷 / 01期
关键词：
D O I：
10.1103/PhysRevB.50.612
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A Luttinger-liquid fixed point is obtained in the strong-coupling limit of the one-dimensional Kondo-lattice model with a frustrating next-nearest-neighbor hopping. The Luttinger-liquid phase has a large Fermi surface whose area is determined by the total number of conduction electrons and localized spins. A numerical study for finite systems shows that the paramagnetic ground state of the finite Kondo lattice model away from half-filling is adiabatically connected with this fixed point.
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页码：612 / 615
页数：4
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