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arXiv 0908.0871cond-mat.soft
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耦合调制双层膜

Coupled Modulated Bilayers

Yuichi Hirose, Shigeyuki Komura, David Andelman

摘要:

我们提出了一个模型,解决两个空间调制单分子膜之间的耦合机制。当两个单层膜具有相同的调制波长时,我们得到了耦合双层膜的平均场相图。单层调制相位的各种组合,并计算其相对稳定性。由于耦合,在一个单层的空间调制诱导在第二个类似的周期性结构。我们还进行了数值模拟的情况下,当两个单分子膜具有不同的调制波长。复杂的图案可能来自于两个不相称但退火的结构之间的挫折。

英文摘要:

We propose a model addressing the coupling mechanism between two spatially modulated monolayers. We obtain the mean-field phase diagrams of coupled bilayers when the two monolayers have the same preferred modulation wavelength. Various combinations of the monolayer modulated phases are obtained and their relative stability is calculated. Due to the coupling, a spatial modulation in one of the monolayers induces a similar periodic structure in the second one. We have also performed numerical simulations for the case when the two monolayers have different modulation wavelengths. Complex patterns may arise from the frustration between the two incommensurate but annealed structures.

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