Logarithmic corrections to gap scaling in random-bond Ising strips
S. L. A. de Queiroz
Abstract
Numerical results for the first gap of the Lyapunov spectrum of the self-dual random-bond Ising model on strips are analysed. It is shown that finite-width corrections can be fitted very well by an inverse logarithmic form, predicted to hold when the Hamiltonian contains a marginal operator.
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