Possibility of a sublattice order of the kagomé antiferromagnet

Hitoshi Asakawa and Masuo Suzuki

Physica A: Statistical Mechanics and its Applications, 1994, vol. 205, issue 4, 687-701

Abstract: The properties of the ground state and the low-lying states of the antiferromagnetic Heisenberg model on the kagomé lattice are discussed by an effective linear-spin-wave scheme. A novel scheme is introduced in the present paper. By using this scheme, the staggered magnetization of one of the sublattices and the ground-state energy are evaluated, and a finite positive value of the staggered magnetization is obtained. Then a physical picture of the ground state and the low-lying states is suggested.

Date: 1994
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:205:y:1994:i:4:p:687-701

DOI: 10.1016/0378-4371(94)90230-5

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