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Hexatic smectic phase with algebraically decaying bond-orientational order
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
Number of Authors: 32018 (English)In: Physical review. E, ISSN 2470-0045, E-ISSN 2470-0053, Vol. 97, no 5, article id 052702Article in journal (Refereed) Published
Abstract [en]

The hexatic phase predicted by the theories of two-dimensional melting is characterized by the power-law decay of the orientational correlations, whereas the in-layer bond orientational order in all the hexatic smectic phases observed so far was found to be long range. We report a hexatic smectic phase where the in-layer bond orientational correlations decay algebraically, in quantitative agreement with the hexatic ordering predicted by the theory for two dimensions. The phase was formed in a molecular dynamics simulation of a one-component system of particles interacting via a spherically symmetric potential. The present results thus demonstrate that the theoretically predicted two-dimensional hexatic order can exist in a three-dimensional system.

Place, publisher, year, edition, pages
2018. Vol. 97, no 5, article id 052702
National Category
Physical Sciences Chemical Sciences
Identifiers
URN: urn:nbn:se:su:diva-157782DOI: 10.1103/PhysRevE.97.052702ISI: 000432979300006PubMedID: 29906887OAI: oai:DiVA.org:su-157782DiVA, id: diva2:1235743
Available from: 2018-07-27 Created: 2018-07-27 Last updated: 2018-07-27Bibliographically approved

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