One-dimensional Kondo lattice model as a Tomonaga-Luttinger liquid

被引：34
|
作者：
Shibata, N [1 ]
Tsvelik, A [1 ]
Ueda, K [1 ]
机构：
[1] UNIV OXFORD, DEPT PHYS, OXFORD OX1 3NP, ENGLAND
来源：
PHYSICAL REVIEW B | 1997年 / 56卷 / 01期
关键词：
D O I：
10.1103/PhysRevB.56.330
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Arguments are presented that in the one-dimensional Kondo lattice model f-electron spins participate in filling of the Fermi sea. It is shown that in its paramagnetic phase this model belongs to the spin-1/2 Tomonaga-Luttinger liquid universality class. The ratio of the spin and charge velocities upsilon(sigma)upsilon(rho) and K-rho are estimated to be of the order of (T-K/epsilon(F))(1/2).
引用
收藏
页码：330 / 334
页数：5
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