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Nested Bethe ansatz for spin chains

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Algebraic Lie Theory

We present in a unified way the nested Bethe ansatz for spin chains based on gl(n), gl(m|n) and their deformations. We perform the ansatz for closed and open spin chains. In the case of open spin chains, we use diagonal boundary conditions. In all cases, we deduce a recursion formula, and a trace formula for Bethe vectors.

This talk is part of the Isaac Newton Institute Seminar Series series.

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