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.

引用

页码：612 / 615

页数：4

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