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Magnetization Plateaux in Bethe Ansatz Solvable Spin-S Ladders

Maslen, Mark; Batchelor, Murray; de Gier, J


We examine the properties of the Bethe ansatz solvable two- and three-leg spin-S ladders. These models include Heisenberg rung interactions of arbitrary strength and thus capture the physics of the spin-S Heisenberg ladders for strong rung coupling. The discrete values derived for the magnetization plateaux are seen to fit with the general prediction based on the Lieb-Schultz-Mattis theorem. We examine the magnetic phase diagram of the spin-1 ladder in detail and find an extended magnetization...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
Source: Physical Review B


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