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Long-lived states in electrophoresis: Collision of a polymer chain with two or more obstacles

Sevick, Edith M; Williams, David


We study the long-lived states which occur when a field-driven polymer chain collides with two or more fixed obstacles. For two obstacles we show that below a critical separation distance there are two catenary states, whereas beyond this there are no such states. We further show that for the two long-lived states one is stable and the other is unstable. We introduce a simple model for the dynamics for which many exact results can be obtained. In particular we show that the long-lived states...[Show more]

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
Source: Europhysics Letters
DOI: 10.1209/epl/i2001-00553-2


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