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Abstract We study Baxter's corner transfer matrix for a Gaussian model on a strongly anisotropic square lattice of finite size. The problem is equivalent to finding the normal modes of a vibrating chain with position‐dependent masses and springs. The eigenvalues are found analytically, using Carlitz polynomials, and the predictions of conformal invariance are verified for the critical system.
Peschel et al. (Tue,) studied this question.