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

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

1997-02-13

arxiv.org/abs/cond-mat/9702124v1

Phys. Rev. B 56, 330-334 (1997)

Physics

Condensed Matter

Strongly Correlated Electrons

LaTeX file, 5 pages, 4 Postscript figures

Scientific paper

10.1103/PhysRevB.56.330

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 v_s/v_c
and K_c are estimated to be of the order of (T_K/E_F)^{1/2}.

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