Abstract
We study by real-space renormalization a class of one-dimensional self-avoiding walks (SAWs) exhibiting a nonzero critical temperature. A linear renormalization transformation is carried out in closed form in a three-parameter subspace of SAW Hamiltonians. We find lines of fixed points along which the degree of localization of the fixed-point interactions varies. The role of the spin rescaling factor in the transformation is explicitly demonstrated.
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Hilhorst, H.J. Exact linear renormalization of a one-dimensional system with phase transition. J Stat Phys 17, 413–427 (1977). https://doi.org/10.1007/BF01014348
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DOI: https://doi.org/10.1007/BF01014348