Excitations in the dilute A_L lattice model: E_6, E_7 and E_8 mass spectra

Details Excitations in the dilute A_L lattice model: E_6, E_7 and E_8 mass spectra Excitations in the dilute A_L lattice model: E_6, E_7 and E_8 mass spectra

1998-03-17

arxiv.org/abs/cond-mat/9803206v1

Eur.Phys.J.B5:719-725,1998

Physics

Condensed Matter

Statistical Mechanics

16 pages, Latex, Elsevier style files

Scientific paper

10.1007/s100510050495

On the basis of features observed in the exact perturbation approach solution for the eigenspectrum of the dilute A_3 model, we propose expressions for excitations in the dilute A_4 and A_6 models. Principally, we require that these expressions satisfy the appropriate inversion relations. We demonstrate that they give the expected E_7 and E_6 mass spectra, and universal amplitudes, and agree with numerical expressions for the eigenvalues.

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