Anomalous stress relaxation in random macromolecular networks

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dc.creatorBroderix, Kurt
dc.creatorLöwe, Henning
dc.creatorMüller, Peter
dc.creatorZippelius, Annette
dc.date2001-07-27
dc.date.accessioned2026-07-07T02:42:17Z
dc.date.available2026-07-07T02:42:17Z
dc.descriptionWithin the framework of a simple Rouse-type model we present exact analytical results for dynamical critical behaviour on the sol side of the gelation transition. The stress-relaxation function is shown to exhibit a stretched-exponential long-time decay. The divergence of the static shear viscosity is governed by the critical exponent $k=ϕ-β$, where $ϕ$ is the (first) crossover exponent of random resistor networks, and $β$ is the critical exponent for the gel fraction. We also derive new results on the behaviour of normal stress coefficients.
dc.description13 pages, 6 figures; contribution to the proceedings of the Minerva International Workshop on Frontiers In The Physics Of Complex Systems (25-28 March 2001) - to appear in a special issue of Physica A
dc.identifierhttps://arxiv.org/abs/cond-mat/0107566
dc.identifierhttp://arxiv.org/abs/cond-mat/0107566
dc.identifierPhysica A, vol. 302, pp. 279-289 (2001)
dc.identifierdoi:10.1016/S0378-4371(01)00471-X
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/18082
dc.subjectStatistical Mechanics
dc.subjectDisordered Systems and Neural Networks
dc.subjectSoft Condensed Matter
dc.subjectChemical Physics
dc.titleAnomalous stress relaxation in random macromolecular networks
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