Logarithmic corrections to gap scaling in random-bond Ising strips
arXiv:cond-mat/9706065 · doi:10.1088/0305-4470/30/14/001
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.
LaTeX code with Institute of Physics macros for 7 pages, plus 2 Postscript figures; to appear in Journal of Physics A (Letter to the Editor)
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