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American Physical Society, Physical review B, 14(88), 2013

DOI: 10.1103/physrevb.88.144416

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Numerical study of magnetization plateaus in the spin-12kagome Heisenberg antiferromagnet

Journal article published in 2013 by Sylvain Capponi ORCID, Oleg Derzhko, Andreas Honecker, Andreas M. Läuchli, Johannes Richter
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We clarify the existence of several magnetization plateaux for the kagome $S=1/2$ antiferromagnetic Heisenberg model in a magnetic field. Using approximate or exact localized magnon eigenstates, we are able to describe in a similar manner the plateau states that occur for magnetization per site $m=1/3$, $5/9$, and $7/9$ of the saturation value. These results are confirmed using large-scale Exact Diagonalization on lattices up to 63 sites. ; Comment: 8 pages; minor changes; published version