摘要翻译：
本文利用最新提出的唯象动态密度泛函理论[M.Bier和R.van Roij,Phys.Rev.E 76,021405（2007）]研究了连接两个板状胶粒库的开放系统的非平衡稳态。板状胶粒在Zwanzig有限取向模型下近似，呈现各向同性-向列相体相变。局部化学势的不均匀性产生扩散电流，当耦合到系统的两个储层保持不同的化学势时，扩散电流弛豫到一个不消失的值。初始态向稳态的弛豫过程包括两个阶段：初始阶梯结构的平滑和最慢扩散模的最终弛豫。由于流体的平移自由度和取向自由度之间的耦合，非平衡界面的位置和稳态粒子流的大小与储层的结构无关。
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英文标题：
《Nonequilibrium steady states in fluids of platelike colloidal particles》
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作者：
Markus Bier and Rene van Roij
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最新提交年份：
2007
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分类信息：

一级分类：Physics        物理学
二级分类：Soft Condensed Matter        软凝聚态物质
分类描述：Membranes, polymers, liquid crystals, glasses, colloids, granular matter
膜，聚合物，液晶，玻璃，胶体，颗粒物质
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一级分类：Physics        物理学
二级分类：Statistical Mechanics        统计力学
分类描述：Phase transitions, thermodynamics, field theory, non-equilibrium phenomena, renormalization group and scaling, integrable models, turbulence
相变，热力学，场论，非平衡现象，重整化群和标度，可积模型，湍流
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英文摘要：
  Nonequilibrium steady states in an open system connecting two reservoirs of platelike colloidal particles are investigated by means of a recently proposed phenomenological dynamic density functional theory [M. Bier and R. van Roij, Phys. Rev. E 76, 021405 (2007)]. The platelike colloidal particles are approximated within the Zwanzig model of restricted orientations, which exhibits an isotropic-nematic bulk phase transition. Inhomogeneities of the local chemical potential generate a diffusion current which relaxes to a nonvanishing value if the two reservoirs coupled to the system sustain different chemical potentials. The relaxation process of initial states towards the steady state turns out to comprise two regimes: a smoothening of initial steplike structures followed by an ultimate relaxation of the slowest diffusive mode. The position of a nonequilibrium interface and the particle current of steady states depend nontrivially on the structure of the reservoirs due to the coupling between translational and orientational degrees of freedom of the fluid.
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PDF链接：
https://arxiv.org/pdf/710.5439