
doi: 10.1007/bfb0105281
The Bethe Ansatz is a method, by which the diagonalization of certain 1D many particle Hamiltonians can be reduced to the solving of a set of nonlinear algebraic equations, the so called Bethe Ansatz equations. This method is presented through the diagonalization of the Heisenberg chain and the δ-gas of spin 1/2 Fermions.
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