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005     20200423204249.0
017 _ _ |a This version is available at the following Publisher URL: http://jcp.aip.org
024 7 _ |a pmid:16999551
|2 pmid
024 7 _ |a 10.1063/1.2338313
|2 DOI
024 7 _ |a WOS:000240500700043
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024 7 _ |a 2128/2229
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037 _ _ |a PreJuSER-48502
041 _ _ |a eng
082 _ _ |a 540
084 _ _ |2 WoS
|a Physics, Atomic, Molecular & Chemical
100 1 _ |a Peón, J.
|b 0
|0 P:(DE-HGF)0
245 _ _ |a Two-dimensional chiral model for liquid crystals, bent hard needles: a Monte Carlo simulation
260 _ _ |a Melville, NY
|b American Institute of Physics
|c 2006
300 _ _ |a 104908
336 7 _ |a Journal Article
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336 7 _ |a article
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440 _ 0 |a Journal of Chemical Physics
|x 0021-9606
|0 3145
|y 10
|v 125
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a The liquid crystalline behavior of a two dimensional (2D) model of hard needles bent into a "zigzag shape" is studied. This model, originally designed to study two dimensional chiral segregation, also shows liquid crystalline behavior and has some anomalous features which are contrasted in relation to the following: (i) Most of the microscopical models used to study liquid crystals have a symmetry axis that coincides with a molecular axis; (ii) in three-dimensions, chiral molecules can form cholesteric instead of nematic phases; (iii) the smectic phase is usually found when attractions are present or at least when the molecules have finite volume. Despite the fact that the present 2D model does not have any of these characteristics, numerical evidence is found for the occurrence of nematic and smectic phases. Since these molecules are athermal, infinitely repulsive, and infinitesimally thin, the liquid crystalline characteristics are attributed to excluded volume effects. To determine the mesophases of the model, both nematic and smectic order parameters as well as distribution functions are computed.
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650 _ 7 |a J
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700 1 _ |a Saucedo-Zugazagoitia, J.
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700 1 _ |a Pucheta-Mendez, F.
|b 2
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700 1 _ |a Perusquía, R.A.
|b 3
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700 1 _ |a Sutmann, G.
|b 4
|u FZJ
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700 1 _ |a Quintana-H, J.
|b 5
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773 _ _ |a 10.1063/1.2338313
|g Vol. 125, p. 104908
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|t The @journal of chemical physics
|v 125
|y 2006
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856 7 _ |u http://dx.doi.org/10.1063/1.2338313
|u http://hdl.handle.net/2128/2229
856 4 _ |u https://juser.fz-juelich.de/record/48502/files/76259.pdf
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920 1 _ |k ZAM
|l Zentralinstitut für Angewandte Mathematik
|d 31.12.2007
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