Publication type: Article in scientific journal
Type of review: Peer review (publication)
Title: Melt viscosities of lattice polymers using a Kramers potential treatment
Authors: Dürr, Oliver
Frisch, Harry
Dieterich, Wolfgang
DOI: 10.1063/1.1412607
Published in: The Journal of Chemical Physics
Volume(Issue): 115
Issue: 19
Pages: 9042
Pages to: 9045
Issue Date: 11-Jun-2001
Publisher / Ed. Institution: American Institute of Physics
ISSN: 0021-9606
1089-7690
Language: English
Subjects: Cond-mat
Subject (DDC): 530: Physics
Abstract: Kramers relaxation times τK and relaxation times τR and τG for the end-to-end distances and for center-of-mass diffusion are calculated for dense systems of athermal lattice chains. τK is defined from the response of the radius of gyration to a Kramers potential which approximately describes the effect of a stationary shear flow. It is shown that within an intermediate range of chain lengths N the relaxation times τR and τK exhibit the same scaling with N, suggesting that N-dependent melt-viscosities for nonentangled chains can be obtained from the Kramers equilibrium concept.
URI: https://digitalcollection.zhaw.ch/handle/11475/13873
https://arxiv.org/pdf/cond-mat/0106192.pdf
Fulltext version: Published version
License (according to publishing contract): Licence according to publishing contract
Departement: School of Engineering
Organisational Unit: Institute of Data Analysis and Process Design (IDP)
Appears in collections:Publikationen School of Engineering

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