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J L Cardy1
Published under licence by IOP Publishing Ltd
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Citation J L Cardy 1986 J. Phys. A: Math. Gen. 19 L1093
DOI 10.1088/0305-4470/19/17/008
This article is corrected by 1987 J. Phys. A: Math. Gen. 20 5039
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The corrections to the finite-size scaling behaviour of the eigenvalues of the transfer matrix of a critical theory defined on an infinitely long strip of finite width, which occur when the Hamiltonian contains a marginal operator, are computed using conformal invariance. They show a calculable universal logarithmic character. For the four-state Potts model they agree with numerical data.