Geodesic
Spectrum and eigenfunctions of the transfer matrix of a two-dimensional Gaussian model
Teoretičeskaâ i matematičeskaâ fizika, Tome 51 (1982) no. 2, pp. 259-267 
H. M. Babujian; M. G. Tetel'man. Spectrum and eigenfunctions of the transfer matrix of a two-dimensional Gaussian model. Teoretičeskaâ i matematičeskaâ fizika, Tome 51 (1982) no. 2, pp. 259-267. http://geodesic.mathdoc.fr/item/TMF_1982_51_2_a11/
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     title = {Spectrum and eigenfunctions of the transfer matrix of a~two-dimensional {Gaussian} model},
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Voir la notice de l'article provenant de la source Math-Net.Ru

For a Gaussian model on a two-dimensional lattice a family of commuting transfer matrices is constructed. The spectrum and eigenfunctions of a transfer matrix are found. The unitarity relation for the transfer matrix is satisfied on a finite lattice up to a numerical factor which tends to unity in the limit of an infinite lattice. The transfer matrix leads to a local Hamiltonian of a free massive scalar field.

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