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Ground-state magnetic properties of the Kondo lattice model at low electron densities

✍ Scribed by Caprara, S; Rosengren, A


Book ID
120832801
Publisher
EDP Sciences
Year
1997
Tongue
English
Weight
361 KB
Volume
39
Category
Article
ISSN
0295-5075

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We study the ground state and low-lying excitations of the S ΒΌ 1 2 XXZ antiferromagnet on the kagomeΒ΄lattice at magnetization one-third of the saturation. An exponential number of non-magnetic states is found below a magnetic gap. The non-magnetic excitations also have a gap above the ground state,