Abstract
The critical behavior of magnetic spin models on various fractal structures is reviewed, with emphasis on branching and nonbranching Koch curves and Sierpiriski gaskets and carpets. The spin correlation function is shown to have unusual exponential decays, e.g., of the form exp[-(r/gx)x], and to crossover to other forms at larger distances r. The various fractals are related to existing models for the backbone of the infinite incipient cluster at the percolation threshold, and conclusions are drawn regarding the behavior of spin correlations on these models.
Original language | English |
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Pages (from-to) | 795-805 |
Number of pages | 11 |
Journal | Journal of Statistical Physics |
Volume | 36 |
Issue number | 5-6 |
DOIs | |
State | Published - 1 Sep 1984 |
Externally published | Yes |
Keywords
- Spin models
- fractals
- magnetic correlations
- percolation
- renormalization group
ASJC Scopus subject areas
- Statistical and Nonlinear Physics
- Mathematical Physics