期刊
PHYSICAL REVIEW LETTERS
卷 106, 期 8, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.106.085703
关键词
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资金
- Foundation of the University of Lisbon
- FCT [POCI/FIS/55592/2004, POCTI/ISFL/2/618, PTDC/FIS/098254/2008]
- [ERC-226207-PATCHYCOLLOIDS]
- [ITN-234810-COMPLOIDS]
- Fundação para a Ciência e a Tecnologia [POCI/FIS/55592/2004, PTDC/FIS/098254/2008] Funding Source: FCT
We introduce a microscopic model for particles with dissimilar patches which displays an unconventional pinched'' phase diagram, similar to the one predicted by Tlusty and Safran in the context of dipolar fluids [Science 290, 1328 (2000)]. The model-based on two types of patch interactions, which account, respectively, for chaining and branching of the self-assembled networks-is studied both numerically via Monte Carlo simulations and theoretically via first-order perturbation theory. The dense phase is rich in junctions, while the less-dense phase is rich in chain ends. The model provides a reference system for a deep understanding of the competition between condensation and self-assembly into equilibrium-polymer chains.
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