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arXiv cond-mat/9906339cond-mat.softcond-mat.stat-mech
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向列型Polymer动力学的Poisson模型

Poisson Bracket Formulation of Nematic Polymer Dynamics

Randall D. Kamien

摘要:

我们制定的动力学理论,从微观泊松括号的方法。我们发现,泊松括号之间的指向矢和动量依赖于(Maier-Saupe)序参量的相位。我们用它来推导应变率的应变指向矢的反应耦合。此外,我们发现,局部动力学分解的聚合物开始重叠。我们提供了两种结果的物理图像。

英文摘要:

We formulate the dynamical theory of nematic polymers, starting from a microscopic Poisson bracket approach. We find that the Poisson bracket between the nematic director and momentum depends on the (Maier-Saupe) order parameter of the nematic phase. We use this to derive reactive couplings of the nematic director to the strain rates. Additionally, we find that local dynamics breaks down as the polymers begin to overlap. We offer a physical picture for both results.

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