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Spin-wave excitations of half-filled Kondo lattice model

✍ Scribed by Yasuhiro Matsushita; Ryousuke Shiina; Chikara Ishii


Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
341 KB
Volume
97
Category
Article
ISSN
0038-1098

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Ground state and low-lying excitations o
✍ A. Honecker; D.C. Cabra; M.D. Grynberg; P.C.W. Holdsworth; P. Pujol; J. Richter; πŸ“‚ Article πŸ“… 2005 πŸ› Elsevier Science 🌐 English βš– 182 KB

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,