Phase transitions on fractals. I. Quasi-linear lattices
- 21 April 1983
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 16 (6), 1267-1278
- https://doi.org/10.1088/0305-4470/16/6/021
Abstract
Magnetic spin models and resistor networks are studied on certain self-similar fractal lattices, which are described as 'quasi-linear', because they share a significant property of the line: finite portions can be isolated from the rest by removal of two points (sites). In all cases, there is no long-range order at finite temperature. The transition at zero temperature has a discontinuity in the magnetisation, and the associated magnetic exponent is equal to the fractal dimensionality, D. When the lattice reduces to a non-branching curve the thermal exponent v-1=y is equal to D. When the lattice is a branching curve, y is related, respectively, to the dimensionality of the single-channel segments of the curve (for the Ising model), or to the exponent describing the resistivity (for models with continuous spin symmetry).Keywords
This publication has 24 references indexed in Scilit:
- Scaling for first-order phase transitions in thermodynamic and finite systemsPhysical Review B, 1982
- Hyperscaling and crossover exponents near the percolation thresholdJournal of Physics C: Solid State Physics, 1982
- Solvable Fractal Family, and Its Possible Relation to the Backbone at PercolationPhysical Review Letters, 1981
- Critical Phenomena on Fractal LatticesPhysical Review Letters, 1980
- Self-avoiding random walks: Some exactly soluble casesJournal of Mathematical Physics, 1978
- Lattices of effectively nonintegral dimensionalityJournal of Mathematical Physics, 1977
- Spin Correlations near the Percolation Concentration in Two DimensionsPhysical Review Letters, 1976
- Renormalization of the NonlinearModel inDimensions—Application to the Heisenberg FerromagnetsPhysical Review Letters, 1976
- Scaling behavior at zero-temperature critical pointsPhysical Review B, 1975
- The renormalization group in the theory of critical behaviorReviews of Modern Physics, 1974