Phase diagram of star polymer solutions

被引：289

作者：

Watzlawek, M

Likos, CN

Löwen, H

机构：

[1] Univ Dusseldorf, Inst Theoret Phys 2, D-40225 Dusseldorf, Germany

[2] Forschungszentrum Julich, IFF Theorie 2, D-52425 Julich, Germany

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 26期

关键词：

D O I：

10.1103/PhysRevLett.82.5289

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The phase diagram of star polymer solutions in a good solvent is obtained over a wide range of densities and arm numbers by Monte Carlo simulations. The effective interaction between the stars is modeled by an ultrasoft pair potential which is logarithmic in the core-core distance. Among the stable phases are a fluid as well as body-centered cubic, face-centered cubic, body-centered orthogonal, and diamond crystals. In a limited range of arm numbers, reentrant melting and reentrant freezing transitions occur for increasing density.

引用

页码：5289 / 5292

页数：4

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