Energy landscapes of interacting randomly and periodically charged rigid polyampholytes

Y. Rabin, S. Panyukov, M. Wilhelm

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We study the interaction between randomly and irreversibly charged rigid objects. We consider arbitrary parallel displacements of two rod-like polyampholytes and of two plates and calculate the statistical properties of the resulting energy landscape, such as the distribution of energy minima and the depth, width and density of typical energy wells, as a function of the separation between the objects and of the Debye screening length. The possibility that stick-slip phenomena may arise during relative motion of the objects is discussed. Other cases considered in this work are that of random distribution on one rod and a periodic one on the other, and that of local periodic order on both rods.

Original languageEnglish
Pages (from-to)544-548
Number of pages5
JournalActa Polymerica
Volume49
Issue number10-11
DOIs
StatePublished - Nov 1998
Externally publishedYes

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