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arXiv 0811.3725cond-mat.soft
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多组分膜的粘附诱导横向相分离:排斥剂和限制的影响

Adhesion-induced lateral phase separation of multi-component membranes: the effect of repellers and confinement

Mesfin Asfaw, Hsuan-Yi Chen

摘要:

我们提出了一个理论研究的粘附诱导的横向相分离的膜与短贴纸,长贴纸和排斥限制在两个硬壁之间。研究了约束和排斥体对横向相分离的影响。我们发现,横向相分离的贴纸的临界潜在深度增加的硬壁之间的距离减少。这表明限制诱导或力诱导的混合贴纸。我们还发现,硬排斥倾向于增强,而软排斥倾向于抑制粘附诱导的横向相分离。

英文摘要:

We present a theoretical study for adhesion-induced lateral phase separation for a membrane with short stickers, long stickers and repellers confined between two hard walls. The effects of confinement and repellers on lateral phase separation are investigated. We find that the critical potential depth of the stickers for lateral phase separation increases as the distance between the hard walls decreases. This suggests confinement-induced or force-induced mixing of stickers. We also find that stiff repellers tend to enhance, while soft repellers tend to suppress adhesion-induced lateral phase separation.

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