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 my report, I will discuss the ambiguity in the definition of Bethe
vectors. I will
also 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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