Document Detail

The tube axis and entanglements in polymer melts.
MedLine Citation:
PMID:  24651963     Owner:  NLM     Status:  In-Data-Review    
Although the tube theory is very popular and successful, the tube concept remains evasive and ill defined. This paper proposes a simple computer algorithm to construct the tube axis as a center line of the cloud of chain configurations at different moments of time. We test this algorithm on trajectories generated from simulations of concatenated well entangled ring polymers, thus avoiding all disentanglement processes. We find that entanglements are clearly manifested through the curvature of the tube axis, and we can successfully identify binary and ternary entanglements in molecular dynamics simulations. Several quantitative characteristics of entanglements are reported and discussed.
Alexei E Likhtman
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Soft matter     Volume:  10     ISSN:  1744-6848     ISO Abbreviation:  Soft Matter     Publication Date:  2014 Feb 
Date Detail:
Created Date:  2014-03-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101295070     Medline TA:  Soft Matter     Country:  England    
Other Details:
Languages:  eng     Pagination:  1895-904     Citation Subset:  IM    
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