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An efficient numerical method of Landau-Brazovskil model

机译:Landau-Brazovskil模型的有效数值方法

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Using the Landau-Brazovskii model, a new numerical implementation is developed to investigate the phase behavior of the diblock copolymer system. Though the method is based on the Fourier expansion of order parameter, a priori symmetric information is not required, and more significantly, the period structure can be adjusted automatically during the iteration as well. The method enables us to calculate the phase diagram, discover new meta-stable phases, validate the epitaxial relation in the phase transition process, and find the inefficiency of the Landau-Brazovskii model for some situations. (c) 2008 Elsevier Inc. All rights reserved.
机译:使用Landau-Brazovskii模型,开发了一种新的数值方法来研究二嵌段共聚物体系的相态。尽管该方法基于阶数参数的傅立叶展开,但不需要先验对称信息,更重要的是,周期结构也可以在迭代过程中自动调整。该方法使我们能够计算相图,发现新的亚稳态相,在相变过程中验证外延关系,并发现在某些情况下Landau-Brazovskii模型的效率低下。 (c)2008 Elsevier Inc.保留所有权利。

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