偶极液晶的成对相关：平均力势方法。

IF 2.4 3区物理与天体物理 Q1 Mathematics

Physical review. E Pub Date : 2024-11-01 DOI:10.1103/PhysRevE.110.054702

Izabela Śliwa, Pavel V Maslennikov, Alex V Zakharov

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引用次数: 0

摘要

用积分方程的方法从理论上研究了极性液晶（LC）体系的对相关关系。利用组成LC体系的分子之间的偶极gy - berne （GB）相互作用，计算了最近邻（NN）和下一近邻（NNN）相关器以及有序参数和静态介电系数。结果表明，对于简单的立方填充，神经网络偶极子相对于中心偶极子倾向于相互反平行，而对于NNN偶极子则相反。我们的计算还表明，向列相的各向异性不是由系统的对称性施加的，而是偶极GB势的结果。

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Paired correlations of dipolar liquid crystals: A mean-force-potentials approach.

Pair correlations for a polar liquid-crystal (LC) system have been theoretically investigated by means of integral equation approach. Using the dipolar Gay-Berne (GB) interactions between the molecules that composed the LC system, calculations of the nearest-neighbor (NN) and next-NN (NNN) correlators as well as the order parameters and the static dielectric coefficients were performed. It is shown that for a simple cubic packing, NN dipoles tend to be mutually antiparallel with respect to the central dipole, while the opposite trend was observed for NNN dipoles. Our calculations also show that the anisotropy of the nematic phase is not imposed by the symmetry of the system, but rather is a consequence of the dipolar GB potential.

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来源期刊

Physical review. E 物理-物理：流体与等离子体

CiteScore

4.60

自引率

16.70%

发文量

审稿时长

3.3 months

期刊介绍： Physical Review E (PRE), broad and interdisciplinary in scope, focuses on collective phenomena of many-body systems, with statistical physics and nonlinear dynamics as the central themes of the journal. Physical Review E publishes recent developments in biological and soft matter physics including granular materials, colloids, complex fluids, liquid crystals, and polymers. The journal covers fluid dynamics and plasma physics and includes sections on computational and interdisciplinary physics, for example, complex networks.