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Molecular model for de-Vries-type smectic A-smectic C phase transition in liquid crystals

Molecular model for de-Vries-type smectic A-smectic C phase transition in liquid crystals
Molecular model for de-Vries-type smectic A-smectic C phase transition in liquid crystals
We develop both phenomenological and molecular-statistical theory of smectic-A–smectic-C phase transition with anomalously weak smectic layer contraction. Using a general mean-field molecular model, we demonstrate that a relatively simple interaction potential suffices to describe the transition both in conventional and de Vries type smectics. The theoretical results are in excellent agreement with experimental data. The approach can be used to describe tilting transitions in other soft matter systems.
smectic liquid crystals, liquid crystal phase transformations
1539-3755
06701R-[4pp]
Gorkunov, M.V.
e71d94cd-dc0b-4e35-9fd4-37930780c6d1
Giesselman, F.
b890f846-d1ae-4525-8204-ced9b8a09b7a
Lagerwall, J.P.F
db3838f9-520f-4525-a35c-03608e2bde2a
Sluckin, T.J.
8dbb6b08-7034-4ae2-aa65-6b80072202f6
Osipov, M.A.
83cebceb-9f4a-48c1-8620-d8809d94bb0b
Gorkunov, M.V.
e71d94cd-dc0b-4e35-9fd4-37930780c6d1
Giesselman, F.
b890f846-d1ae-4525-8204-ced9b8a09b7a
Lagerwall, J.P.F
db3838f9-520f-4525-a35c-03608e2bde2a
Sluckin, T.J.
8dbb6b08-7034-4ae2-aa65-6b80072202f6
Osipov, M.A.
83cebceb-9f4a-48c1-8620-d8809d94bb0b

Gorkunov, M.V., Giesselman, F., Lagerwall, J.P.F, Sluckin, T.J. and Osipov, M.A. (2007) Molecular model for de-Vries-type smectic A-smectic C phase transition in liquid crystals. Physical Review E, 75 (6), 06701R-[4pp]. (doi:10.1103/PhysRevE.75.060701).

Record type: Article

Abstract

We develop both phenomenological and molecular-statistical theory of smectic-A–smectic-C phase transition with anomalously weak smectic layer contraction. Using a general mean-field molecular model, we demonstrate that a relatively simple interaction potential suffices to describe the transition both in conventional and de Vries type smectics. The theoretical results are in excellent agreement with experimental data. The approach can be used to describe tilting transitions in other soft matter systems.

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More information

Published date: 27 June 2007
Keywords: smectic liquid crystals, liquid crystal phase transformations

Identifiers

Local EPrints ID: 48140
URI: http://eprints.soton.ac.uk/id/eprint/48140
ISSN: 1539-3755
PURE UUID: f9125777-d445-49b3-844e-08ffcb853839
ORCID for T.J. Sluckin: ORCID iD orcid.org/0000-0002-9163-0061

Catalogue record

Date deposited: 29 Aug 2007
Last modified: 09 Jan 2022 02:32

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Contributors

Author: M.V. Gorkunov
Author: F. Giesselman
Author: J.P.F Lagerwall
Author: T.J. Sluckin ORCID iD
Author: M.A. Osipov

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