Kondo hole in one-dimensional Kondo insulators

Details Kondo hole in one-dimensional Kondo insulators Kondo hole in one-dimensional Kondo insulators

2004-06-24

arxiv.org/abs/cond-mat/0406595v1

Phys. Rev. B 65, 174421 (2002)

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 6 figures

Scientific paper

10.1103/PhysRevB.65.174421

Properties of a nonmagnetic impurity in Kondo insulators are investigated by considering a one-dimensional Kondo lattice model with depletion of a localized spin. The ground-state phase diagram determined by the Lanczos method shows that the magnetic moment is more stable than in ordinary metals. Temperature dependence of impurity susceptibilities is also studied by using the finite-temperature density-matrix renormalization group.

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