During the last five decades, percolation theory, an extensive mathematical model of percolation, has brought new understanding and techniques to a broad range of topics in physics, materials science, complex networks, epidemiology, and other fields . For example, in geology, percolation refers to filtration of water through soil and permeable rocks. The water flows to groundwater storage (aquifers)
Percolation typically exhibits universality. Statistical physics concepts such as scaling theory, renormalization, phase transition, critical phenomena and fractals are used to characterize percolation properties. Combinatorics is commonly employed to study percolation thresholds.
Due to the complexity involved in obtaining exact results from analytical models of percolation, computer simulations are typically used. The current fastest algorithm for percolation was published in 2000 by Mark Newman and Robert Ziff.
- Coffee percolation, where the solvent is water, the permeable substance is the coffee grounds, and the soluble constituents are the chemical compounds that give coffee its color, taste, and aroma
- Movement of weathered material down on a slope under the earth's surface
- Cracking of trees with the presence of two conditions, sunlight and under the influence of pressure
- Robustness of networks to random and targeted attacks
- Transport in porous media
- Epidemic spreading
- Surface roughening
- Harry Kesten, What is percolation? Notices of the AMS, May 2006.
- Muhammad Sahimi. Applications of Percolation Theory. Taylor & Francis, 1994. ISBN 0-7484-0075-3 (cloth), ISBN 0-7484-0076-1 (paper)
- Geoffrey Grimmett. Percolation (2. ed). Springer Verlag, 1999.
- D.Stauffer and A.Aharony. Introduction to Percolation Theory
- A. Bunde, S. Havlin (Editors) Fractals and Disordered Systems, Springer, 1996
- S. Kirkpatrick Percolation and conduction Rev. Mod. Phys. 45, 574, 1973
- D. Ben-Avraham, S. Havlin Diffusion and Reactions in Fractals and Disordered Systems, Cambridge University Press, 2000
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