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Ground state of a spin system with two- and four-spin exchange interactions on the triangular lattice

✍ Scribed by Kenn Kubo; Tsutomu Momoi


Publisher
Springer
Year
1997
Tongue
English
Weight
103 KB
Volume
103
Category
Article
ISSN
1434-6036

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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; 📂 Article 📅 2005 🏛 Elsevier Science 🌐 English ⚖ 182 KB

We study the ground state and low-lying excitations of the S ¼ 1 2 XXZ antiferromagnet on the kagome´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,