2 papers
math-ph2003
Analytic proof of the Sutherland conjecture
J. Dittrich, V. I. Inozemtsev
Using the integral representation of the inverse of the logarithmic derivative of the elliptic theta function, the spectrum of the Lax matrix for the 1D system of particles interac…
math-ph2000
On the Ground State of Ferromagnetic Hamiltonians
J. Dittrich, V. I. Inozemtsev
It is generally believed that the ground state of the ferromagnetic Heisenberg-Dirac-Van Vleck Hamiltonians acting on s=1/2 spins of a lattice with N sites has the maximal possible…