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胆甾相螺旋性结构的形成,分子间位置关联起十分重要的作用。采用格胞模型,导出了指向矢满足的二阶微分方程。有胆甾相解,并确定了螺距。位置关联可导致螺距随温度变化。这一理论可推广用来讨论蓝相的分子理论。
The formation of the cholesteric phase spiral structure, the molecular position plays a very important role. Using the lattice model, the second order differential equation of director satisfaction is derived. Have a cholestatic solution, and determine the pitch. The positional relationship can cause the pitch to change with temperature. This theory can be generalized to discuss the molecular theory of blue phase.