Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2002-03-12
Physics
Condensed Matter
Soft Condensed Matter
6 pages, 5 figures, 4 tables, revtex4 to appear in Phys. Rev. E, May 2002
Scientific paper
We consider growing spheres seeded by random injection in time and space. Growth stops when two spheres meet leading eventually to a jammed state. We study the statistics of growth limited by packing theoretically in d dimensions and via simulation in d=2, 3, and 4. We show how a broad class of such models exhibit distributions of sphere radii with a universal exponent. We construct a scaling theory that relates the fractal structure of these models to the decay of their pore space, a theory that we confirm via numerical simulations. The scaling theory also predicts an upper bound for the universal exponent and is in exact agreement with numerical results for d=4.
Dodds Peter Sheridan
Weitz Joshua S.
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