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Melts of Semi-Flexible, Living Polymers: A Lattice Model

Menon, GI and Pandit, R and Barma, M (1993) Melts of Semi-Flexible, Living Polymers: A Lattice Model. In: Europhysics Letters, 24 (4). pp. 253-258.

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A lattice model for the ordering of melts- of diving polymers., incorporating semi-flexibility, vacancies and open ends, is studied in two dimensions by Monte Carlo simulations and the analysis of exactly solvable limits. We present evidence for high-temperature disordered, and low-temperature ordered phases separated by a continuous transition. If the density of open ends is small, strong crossover effects, arising because of the proximity of the power law phase in the F-model limit of our model, dominate our simulations. The distribution of polymer lengths always has an exponential tail; however, in the crossover regime, it decays with a power law for small and intermediate lengths. The relevance of our study to other lattice models for melts of semi-flexible polymers is discussed.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Institute of Physics.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Depositing User: Mr. Ramesh Chander
Date Deposited: 10 Jul 2008
Last Modified: 19 Sep 2010 04:47
URI: http://eprints.iisc.ac.in/id/eprint/14867

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