| Issue |
EPL
Volume 114, Number 2, April 2016
|
|
|---|---|---|
| Article Number | 28001 | |
| Number of page(s) | 6 | |
| Section | Interdisciplinary Physics and Related Areas of Science and Technology | |
| DOI | https://doi.org/10.1209/0295-5075/114/28001 | |
| Published online | 10 May 2016 | |
Bundle formation in parallel aligned polymers with competing interactions
1 Asia Pacific Center for Theoretical Physics - Pohang, Gyeongbuk, 790-784, Korea
2 Department of Physics, Kyungpook National University - 80 Daehakro, Bukgu, Daegu 702-701, Korea
3 Department of Physics, Pohang University of Science and Technology - Pohang, 790-784, Korea
(a) pben@knu.ac.kr
(b) ysjho@apctp.org
Received: 29 December 2015
Accepted: 22 April 2016
Aggregation of like-charged polymers is widely observed in biological- and soft-matter systems. In many systems, bundles are formed when a short-range attraction of diverse physical origin like charge bridging, hydrogen bonding or hydrophobic interaction, overcomes the longer-range charge repulsion. In this letter, we present a general mechanism of bundle formation in these systems as the breaking of the translational invariance in parallel aligned polymers with competing interactions of this type. We derive a criterion for finite-sized bundle formation as well as for macroscopic phase separation (formation of infinite bundles).
PACS: 87.16.ad – Analytical theories / 87.16.Ka – Filaments, microtubules, their networks, and supramolecular assemblies / 82.35.Rs – Polyelectrolytes
© EPLA, 2016
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