类偶极各向异性粘附球形分子流体中的局域取向有序
Local orientational ordering in fluids of spherical molecules with dipolar-like anisotropic adhesion
摘要:
我们讨论了一些有趣的物理特性,源于我们以前的分析研究的一个简单的模型,除了通常的各向同性巴克斯特潜在的粘性球的偶极类相互作用的非常短的范围内的流体。虽然各向同性的部分被发现统治的全球结构和流体的热平衡特性,较弱的各向异性的部分引起一个有趣的近球形凝聚集群,包含短部分的链具有鼻子到尾巴的平行排列,运行反平行于相邻的类似的链的短程局部排序。
英文摘要:
We discuss some interesting physical features stemming from our previous analytical study of a simple model of a fluid with dipolar-like interactions of very short range in addition to the usual isotropic Baxter potential for adhesive spheres. While the isotropic part is found to rule the global structural and thermodynamical equilibrium properties of the fluid, the weaker anisotropic part gives rise to an interesting short-range local ordering of nearly spherical condensation clusters, containing short portions of chains having nose-to-tail parallel alignment which runs antiparallel to adjacent similar chains.
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