Deformed Neumann model from spinning strings on (AdS5 x S5)η
Abstract
We show that bosonic spinning strings on the η-deformed AdS5 x S5 background are naturally described as periodic solutions of a novel finite-dimensional integrable system which can be viewed as a deformation of the celebrated Neumann model. For this deformed model we find the Lax representation and the analogue of the Uhlenbeck integrals.
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