Abstract:
It is shown that there exists a limit density of the distribution of the real values of the
parameters characterizing the Bethe eigenvector for the excited states of the quantum
lattice Heisenberg model. A system of integrodifferential equations is obtained for this
density.
Citation:
E. V. Gusev, “Thermodynamics and excited states of the Heisenberg model”, TMF, 63:2 (1985), 303–311; Theoret. and Math. Phys., 63:2 (1985), 527–532