The approximate invariance of the average number of connections for the continuum percolation of squares at criticality

Sameet Sreenivasan, Don R. Baker, Gerald Paul and H.Eugene Stanley

Physica A: Statistical Mechanics and its Applications, 2003, vol. 320, issue C, 34-40

Abstract: We perform Monte Carlo simulations to determine the average excluded area 〈Aex〉 of randomly oriented squares, randomly oriented widthless sticks and aligned squares in two dimensions. We find significant differences between our results for randomly oriented squares and previous analytical results for the same. The sources of these differences are explained. Using our results for 〈Aex〉 and Monte Carlo simulation results for the percolation threshold, we estimate the mean number of connections per object Bc at the percolation threshold for squares in 2-D. We study systems of squares that are allowed random orientations within a specified angular interval. Our simulations show that the variation in Bc is within 1.6% when the angular interval is varied from 0 to π/2.

Keywords: Continuum percolation; Excluded area (search for similar items in EconPapers)
Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:320:y:2003:i:c:p:34-40

DOI: 10.1016/S0378-4371(02)01546-7

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