Abstract:
The concept of Bethe vector is key in the Quantum Inverse Scattering
Method.
Under certain conditions, these vectors become eigenvectors of quantum
Hamiltonians.
In the first part of my report, I discussed an ambiguity in the
definition of Bethe vectors.
In the second part, I will talk about a simple method for computing the
scalar products of Bethe vectors.
The method is based on the properties of these vectors with respect to
the coproduct.
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