Smectic-A, crystalline and columnar ordering in the system of hard parallel cylinders
作者:
Robert Hołyst,
Andrzej Poniewierski,
期刊:
Molecular Physics
(Taylor Available online 1990)
卷期:
Volume 71,
issue 3
页码: 561-566
ISSN:0026-8976
年代: 1990
DOI:10.1080/00268979000101971
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
We study a system of hard parallel cylinders in the framework of the smoothed-density approximation (SDA). Using a bifurcation analysis, we argue that, apart from the nematic phase, smectic-A, solid (or crystalline smectic-B) and columnar phases should also occur in this system. We predict the following sequence of phase transitions: nematic-smectic-A at η* = η/ηcp= 0·31, smectic-A-solid (or smectic-B) at η* ≈ 0·59 and solid (or smectic-B)-columnar at η* ≈ 0·84, where ηcp= 0·9069 is the close-packing density. In our approach we cannot distinguish between a solid phase and a crystalline smectic-B phase.
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