Volume 82, Number 4, May 2008
|Number of page(s)||4|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||13 May 2008|
The confinement free energies of non-ideal branched polymers and ideal unbranched polymers are the same
Department of Physics and Astronomy, University of California, Los Angeles Los Angeles, CA 90095-1547, USA
Corresponding author: firstname.lastname@example.org
Accepted: 26 March 2008
We use the method of dimensional reduction to show that a branching polymer with excluded-volume interaction confined between two flat plates has, in the thermodynamic limit, a confinement free energy and density profile that is the same as that of an ideal linear polymer with the same number of monomers and the same monomer-plate interaction potential. Condensation due to branching is exactly compensated by swelling due to excluded-volume interaction.
PACS: 61.25.H- – Macromolecular and polymers solutions; polymer melts / 82.39.Pj – Nucleic acids, DNA and RNA bases
© EPLA, 2008
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