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Ground state phases of the two-leg Kondo ladder

✍ Scribed by J.C. Xavier; E. Miranda


Book ID
108238709
Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
175 KB
Volume
359-361
Category
Article
ISSN
0921-4526

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Ground state of the kondo lattice
✍ Kazuo Ueda; Kouki Yamamoto πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 English βš– 159 KB

The one-dimensional Kondo lattice is diagonalized numerically. It is shown that the ground state is ferromagnetic at low densities of conduction electrons. On the other hand at half-filling the ground state is a singlet with stronq antiferromagnetic correlations which are localized spins.