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Bond percolation of polymers
, B. Schmittmann, R.K.P. Zia
Published in IOP Publishing Ltd
2004
Volume: 37
   
Issue: 29
Pages: L337 - L343
Abstract
We study bond percolation of N non-interacting Gaussian polymers of l segments on a 2D square lattice of size L with reflecting boundaries. Through simulations, we find the fraction of configurations displaying no connected cluster which span from one edge to the opposite edge. From this fraction, we define a critical segment density ΡpcL(l) and the associated critical fraction of occupied bonds pcL (l), so that they can be identified as the percolation threshold in the L ∞ limit. Whereas pcL (l) is found to decrease monotonically with l for a wide range of polymer lengths, pcL (l) is non-monotonic. We give physical arguments for this intriguing behaviour in terms of the competing effects of multiple bond occupancies and polymerization.
About the journal
JournalJournal of Physics A: Mathematical and General
PublisherIOP Publishing Ltd
ISSN03054470
Open AccessNo