Gas of self-avoiding loops on the brickwork lattice
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Publication:3839350
DOI10.1088/0305-4470/31/7/005zbMATH Open0925.82186arXivcond-mat/9712317OpenAlexW2092836280MaRDI QIDQ3839350
Author name not available (Why is that?)
Publication date: 24 January 1999
Published in: (Search for Journal in Brave)
Abstract: An exact calculation of the phase diagram for a loop gas model on the brickwork lattice is presented. The model includes a bending energy. In the dense limit, where all the lattice sites are occupied, a phase transition occuring at an asymmetric Lifshitz tricritical point is observed as the temperature associated with the bending energy is varied. Various critical exponents are calculated. At lower densities, two lines of transitions (in the Ising universality class) are observed, terminated by a tricritical point, where there is a change in the modulation of the correlation function. To each tricritical point an associated disorder line is found.
Full work available at URL: https://arxiv.org/abs/cond-mat/9712317
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