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Angular structure of lacunarity, and the renormalization group
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Ball, R. C., Caldarelli, Guido and Flammini, A.. (2000) Angular structure of lacunarity, and the renormalization group. Physical Review Letters, Vol.85 (No.24). pp. 5134-5137. ISSN 0031-9007
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.85.5134
Abstract
We formulate the angular structure of lacunarity in fractals, in terms of a symmetry reduction of the three point correlation function. This provides a rich probe of universality, and first measurements yield new evidence in support of the equivalence between self-avoiding walks (SAW's) and percolation perimeters in two dimensions. We argue that the lacunarity reveals much of the renormalization group in real space. This is supported by exact calculations for random walks and measured data for percolation clusters and SAW's. Relationships follow between exponents governing inward and outward propagating perturbations. and we also find a very general test for the contribution of long-range interactions.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Library of Congress Subject Headings (LCSH): | Fractals, Renormalization group |
| Journal or Publication Title: | Physical Review Letters |
| Publisher: | American Physical Society |
| ISSN: | 0031-9007 |
| Date: | 11 December 2000 |
| Volume: | Vol.85 |
| Number: | No.24 |
| Number of Pages: | 4 |
| Page Range: | pp. 5134-5137 |
| Identification Number: | 10.1103/PhysRevLett.85.5134 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Funder: | Engineering and Physical Sciences Research Council (EPSRC), European Union (EU) |
| Grant number: | GR/L55346 (EPSRC), ERBFMBI-CT97-2746 (EU), FMRX-CT98-0183 (EU) |
| URI: | http://wrap.warwick.ac.uk/id/eprint/12712 |
Data sourced from Thomson Reuters' Web of Knowledge
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