Abstract
Finite-size rounding of the magnetization discontinuity at the magnetic phase transition atH=0 (T<T c ) in 2d Ising-type strips of sizeL ⊥×L ‖, with ± boundary conditions alongL ⊥ inducing an interface of lengthL ‖, is studied by phenomenological considerations and transfer matrix techniques. Scaling expressions are derived forL ‖=O(L ⊥) and also in the infinite strip limitL ‖→∞. Most of the results can be extended to the 3d case.
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Privman, V., Bartelt, M.C. First-order phase transitions in finite-size strips with interfaces. Z. Physik B - Condensed Matter 78, 501–505 (1990). https://doi.org/10.1007/BF01313334
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DOI: https://doi.org/10.1007/BF01313334