{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,2]],"date-time":"2025-08-02T17:56:41Z","timestamp":1754157401534,"version":"3.41.2"},"reference-count":5,"publisher":"Emerald","issue":"5","license":[{"start":{"date-parts":[[2009,6,12]],"date-time":"2009-06-12T00:00:00Z","timestamp":1244764800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.emerald.com\/insight\/site-policies"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2009,6,12]]},"abstract":"<jats:sec><jats:title content-type=\"abstract-heading\">Purpose<\/jats:title><jats:p>The purpose of this paper is to describe the diffusive motion of a polymer.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Design\/methodology\/approach<\/jats:title><jats:p>The paper describes the Fokker\u2010Planck equation for the probability distribution of the positions of the monomers and the stochastic equation for their positions (in the large friction limit). The average position is studied for a free polymer ring or an attached ring, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Findings<\/jats:title><jats:p>It is found that this motion is subdiffusive: at time t, the average position of the polymer is of order t<jats:sup>1\/4<\/jats:sup> rather than t<jats:sup>1\/2<\/jats:sup>.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Originality\/value<\/jats:title><jats:p>The paper is of value in showing that it is wrong to consider a polymer as a particle of large mass, owing to the fact the polymer has an internal structure.<\/jats:p><\/jats:sec>","DOI":"10.1108\/03684920910962597","type":"journal-article","created":{"date-parts":[[2009,7,4]],"date-time":"2009-07-04T07:03:29Z","timestamp":1246691009000},"page":"704-708","source":"Crossref","is-referenced-by-count":0,"title":["Diffusion of extended structures I polymers"],"prefix":"10.1108","volume":"38","author":[{"given":"Bernard","family":"Gaveau","sequence":"first","affiliation":[]}],"member":"140","reference":[{"key":"key2022031020220344100_b3","unstructured":"Couarraze, G. and Grossiard, J.L. (1983), Initiation \u00e0 la rh\u00e9ologie, Ed Lavoisier Technique et Documents, Lavoisier, Paris."},{"key":"key2022031020220344100_b2","unstructured":"de Gennes, P.G. (1979), Scaling Concepts in Polymer Physics, Cornell University Press, Ithaca, NY."},{"key":"key2022031020220344100_b5","unstructured":"Hansen, J.P. and McDonald, I.R. (1976), Theory of Simple Liquids, Academic Press, New York, NY."},{"key":"key2022031020220344100_b1","unstructured":"R\u00e9sibois, P. and De Leener, M. (1977), Classical Kinetic Theory of Fluids, Wiley, New York, NY."},{"key":"key2022031020220344100_b4","doi-asserted-by":"crossref","unstructured":"Rouse, P.E. (1953), \u201cA theory of the linear viscoelastic properties of dilute solutions of coiling polymers\u201d, Journal of Chemical Physics, Vol. 21, pp. 1272\u201080.","DOI":"10.1063\/1.1699180"}],"container-title":["Kybernetes"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.emerald.com\/insight\/content\/doi\/10.1108\/03684920910962597\/full\/xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.emerald.com\/insight\/content\/doi\/10.1108\/03684920910962597\/full\/html","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,7,24]],"date-time":"2025-07-24T23:53:37Z","timestamp":1753401217000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.emerald.com\/k\/article\/38\/5\/704-708\/273417"}},"subtitle":[],"editor":[{"given":"Yves","family":"Cherruault","sequence":"first","affiliation":[]}],"short-title":[],"issued":{"date-parts":[[2009,6,12]]},"references-count":5,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2009,6,12]]}},"alternative-id":["10.1108\/03684920910962597"],"URL":"https:\/\/doi.org\/10.1108\/03684920910962597","relation":{},"ISSN":["0368-492X"],"issn-type":[{"type":"print","value":"0368-492X"}],"subject":[],"published":{"date-parts":[[2009,6,12]]}}}