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).

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页码：330 / 334

页数：5

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