Nested algebraic Bethe ansatz for deformed orthogonal and symplectic spin chains

Gerrard, Allan and Regelskis, Vidas (2020) Nested algebraic Bethe ansatz for deformed orthogonal and symplectic spin chains. Nuclear Physics B, 956: 115021. ISSN 0550-3213
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We construct exact eigenvectors and eigenvalues for Uq(sp2n)- and Uq(so2n)-symmetric closed spin chains by means of a nested algebraic Bethe ansatz method. We use a fusion procedure to construct higher-dimensional Lax operators. Our approach generalises and extends the results obtained by Reshetikhin and De Vega–Karowski. We also present a generalisation of Tarasov–Varchenko trace formula for nested Bethe vectors.
Item Type Article
Additional information © 2020 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Keywords nuclear and high energy physics
Date Deposited 15 May 2025 14:21
Last Modified 31 May 2025 00:25

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