Excitations in the dilute A_L lattice model: E_6, E_7 and E

Research Report MRR98-015

Excitations in the dilute A_L lattice model: E₆, E₇ and E₈ mass spectra

Abstract: On the basis of features observed in the exact perturbation approach solution for the eigenspectrum of the dilute

model, we propose expressions for excitations in the dilute

and

models. Principally, we require that these expressions satisfy the appropriate inversion relations. We demonstrate that they give the expected

and

mass spectra, and universal amplitudes, and agree with numerical expressions for the eigenvalues.

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