Monte Carlo Simulation of Coarse Grain Polymeric Systems

被引:119
作者
Detcheverry, Francois A. [1 ]
Pike, Darin Q. [1 ]
Nealey, Paul F. [1 ]
Mueller, Marcus [2 ]
de Pablo, Juan J. [1 ]
机构
[1] Univ Wisconsin, Dept Chem & Biol Engn, Madison, WI 53706 USA
[2] Univ Gottingen, Inst Theoret Phys, D-37077 Gottingen, Germany
基金
美国国家科学基金会;
关键词
DISSIPATIVE PARTICLE DYNAMICS; BLOCK-COPOLYMER MELTS; FIELD-THEORY; MICROPHASE SEPARATION; MOLECULAR-DYNAMICS; MODEL; FLUCTUATION; BEHAVIOR; BLENDS; FILMS;
D O I
10.1103/PhysRevLett.102.197801
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We introduce a particle-based Monte Carlo formalism for the study of polymeric melts, where the interaction energy is given by a local density functional, as is done in traditional field-theoretic models. The method enables Monte Carlo simulations in arbitrary ensembles and direct calculation of free energies. We present results for the phase diagram and the critical point of a binary homopolymer blend. For a symmetric diblock copolymer, we compute the distribution of local stress in lamellae and locate the order-disorder transition.
引用
收藏
页数:4
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