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Quasiparticles in the XXZ model

The coordinate Bethe ansatz solutions of the XXZ model for a one-dimensional spin-1/2 chain are analyzed with focus on the statistical properties of the constituent quasiparticles. Emphasis is given to the special cases known as XX, XXX, and Ising models, where considerable simplifications occur....

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Bibliographic Details
Main Authors: Lu, P., Müller, G., Karbach, M.
Format: Article
Language:English
Published: Інститут фізики конденсованих систем НАН України 2009
Series:Condensed Matter Physics
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/119995
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