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	Computing Optimal Interfacial Structure of Modulated Phases
	Xu, Jie ; Wang, Chu ; Shi, An-Chang ; Zhang, Pingwen
	2017
关键词	Interface modulated phase metastable state compatibility Landau-Brazovskiimodel BLOCK-COPOLYMERS NONUNIFORM SYSTEM GRADIENT METHODS FREE-ENERGY NUCLEATION DEFECTS MIXTURE MODEL
英文摘要	We propose a general framework of computing interfacial structures between two modulated phases. Specifically we propose to use a computational box consisting of two half spaces, each occupied by a modulated phase with given position and orientation. The boundary conditions and basis functions are chosen to be commensurate with the bulk phases. We observe that the ordered nature of modulated structures stabilizes the interface, which enables us to obtain optimal interfacial structures by searching local minima of the free energy landscape. The framework is applied to the Landau-Brazovskii model to investigate interfaces between modulated phases with different relative positions and orientations. Several types of novel complex interfacial structures emerge from the calculations.; National Natural Science Foundation of China [11421101, 11421110001, 21274005]; SCI(E); ARTICLE; 1; 1-15; 21
语种	英语
出处	SCI
出版者	COMMUNICATIONS IN COMPUTATIONAL PHYSICS
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/476515]
专题	数学科学学院
推荐引用方式 GB/T 7714	Xu, Jie,Wang, Chu,Shi, An-Chang,et al. Computing Optimal Interfacial Structure of Modulated Phases. 2017-01-01.

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