J. Phys. I France 5 (1995) 1563-1571
The Persistence Length in a Random Surface ModelJohn H. Ipsen1 and Claus Jeppesen2
1 Department of Physical Chemistry, The Technical University of Denmark, DK-2800 Lyngby, Denmark
2 Materials Research Laboratory, University of California. Santa Barbara, CA 93106, USA
(Received 9 June 1995, revised 28 August 1995, accepted 5 September 1995)
Randomly triangulated, self-avoiding surfaces with topology of a sphere have been studied by use of Monte Carlo simulation techniques. Flexible surfaces with small bending elasticity moduli are considered. Analysis of surface characteristics like volume, enthalpy and radius of gyration support that self-avoiding, fluid surfaces display properties of branched polymers at length scales larger than some persistence length . The simulation data can be rationalized in terms of simple phenomenological scaling relations and mean-field theory. Estimates of up to a multiplicative factor are given.
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