A proposed exact Bethe ansatz for the time-dependent Kondo model is invalidated by an incorrect one-particle S-matrix and an example coupling that violates the stated consistency condition.
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Integrability of the Kondo model with time dependent interaction strength
A proposed exact Bethe ansatz for the time-dependent Kondo model is invalidated by an incorrect one-particle S-matrix and an example coupling that violates the stated consistency condition.