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Phys. Rev. Lett. 55, 1896–1899 (1985)

Do Interactions Raise or Lower a Percolation Threshold?

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A. L. R. Bug*, S. A. Safran, and Gray S. Grest
Corporate Research Science Laboratory, Exxon Research and Engineering Co., Annandale, New Jersey 08801

Itzhak Webman
Department of Physics, Rutgers University, New Brunswick, New Jersey 08903

Received 31 July 1985; published in the issue dated 28 October 1985

A Monte Carlo study of spherical particles shows that increased interaction strength may either raise or lower the volume fraction required for percolation. The sense of the change depends on the distance at which two particles are considered connected, the dimensionality, and the proximity to the critical temperature. An on-lattice simulation supports the continuum result.

© 1985 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.55.1896
DOI:
10.1103/PhysRevLett.55.1896
PACS:
64.60.Cn, 05.40.+j, 71.30.+h

*Formerly A. L. Ritzenberg.