All generalized SU(2) chiral models have spectral dependent Lax formulation
classification
solv-int
nlin.SI
keywords
chiraldependentgeneralizedmodelsspectralbilineardefineequations
read the original abstract
The equations that define the Lax pairs for generalized principal chiral models can be solved for any nondegenerate bilinear form on $su(2)$. The solution is dependent on one free variable that can serve as the spectral parameter.
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