| Issue |
EPL
Volume 94, Number 2, April 2011
|
|
|---|---|---|
| Article Number | 28005 | |
| Number of page(s) | 5 | |
| Section | Interdisciplinary Physics and Related Areas of Science and Technology | |
| DOI | https://doi.org/10.1209/0295-5075/94/28005 | |
| Published online | 15 April 2011 | |
Helicity in cylindrically confined Yukawa systems
Institut für Theoretische Physik II: Weiche Materie, Heinrich-Heine-Universität Düsseldorf, Universitätsstraße 1, D-40225 Düsseldorf, Germany, EU
a
ecoguz@thphy.uni-duesseldorf.de
Received:
1
February
2011
Accepted:
16
March
2011
By lattice sum minimization, we predict the ground state of particles interacting via a Yukawa potential which are confined in a quasi–one-dimensional cylindrical tube. As a function of screening strength and particle density, the zero-temperature phase diagram exhibits a cascade of stable crystals with both helical and non-helical structures. These quasi–one-dimensional crystals can be confirmed in experiments on confined charged colloidal suspensions, trapped dusty plasmas or ions in nanotubes.
PACS: 82.70.Dd – Colloids / 64.70.K- – Solid-solid transitions
© EPLA, 2011
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