Journal article 851 views 101 downloads
Geometric universality and anomalous diffusion in frictional fingers
Kristian Stølevik Olsen 
,
Eirik Grude Flekkøy,
Luiza Angheluta,
James Matthew Campbell,
Knut Jørgen Måløy,
Bjornar Sandnes
,
Eirik Grude Flekkøy,
Luiza Angheluta,
James Matthew Campbell,
Knut Jørgen Måløy,
Bjornar Sandnes
New Journal of Physics, Volume: 21, Issue: 6, Start page: 063020
Swansea University Author:
Bjornar Sandnes
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DOI (Published version): 10.1088/1367-2630/ab25bf
Abstract
Frictional finger trees are patterns emerging from non-equilibrium processes in particle-fluid systems. Their formation share several properties with growth algorithms for minimal spanning trees in random energy landscapes. We propose that the frictional finger trees are indeed in the same geometric...
| Published in: | New Journal of Physics |
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| ISSN: | 1367-2630 |
| Published: |
IOP Publishing
2019
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa50586 |
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| Abstract: |
Frictional finger trees are patterns emerging from non-equilibrium processes in particle-fluid systems. Their formation share several properties with growth algorithms for minimal spanning trees in random energy landscapes. We propose that the frictional finger trees are indeed in the same geometric universality class as the minimal spanning trees, which is checked using updated numerical simulation algorithms for frictional fingers. We also propose a theoretical model for anomalous diffusion in these patterns, and discuss the role of diffusion as a tool to classify geometry. |
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| College: |
Faculty of Science and Engineering |
| Issue: |
6 |
| Start Page: |
063020 |