Simon Ekhammar, Dmytro Volin
Published 2021-04-09Version 1
We propose a gl(r)-covariant parameterisation of Bethe algebra appearing in so(2r) integrable models, demonstrate its geometric origin from a fused flag, and use it to compute the spectrum of periodic rational spin chains, for various choices of the rank r and Drinfeld polynomials.
Comments: 9 pages of double-column text, Mathematica notebook attached
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