Releasing a stretched polymer chain: scaling and Monte Carlo studies

被引：2
作者：
Lai, PY [1 ]
Sheng, YJ
Tsao, HK
机构：
[1] Natl Cent Univ, Dept Phys, Chungli 32054, Taiwan
[2] Natl Cent Univ, Ctr Complex Syst, Chungli 32054, Taiwan
[3] Natl Cent Univ, Dept Chem Engn, Chungli 32054, Taiwan
来源：
PHYSICA A | 1998年 / 254卷 / 1-2期
关键词：
D O I：
10.1016/S0378-4371(98)00016-8
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The non-equilibrium relaxation behavior of releasing an initially stretched polymer chain is investigated by scaling calculations and Monte Carlo simulations. Different relaxation dynamics are found for three regions which are the linear, Pincus and model-dependent regimes. The nonequilibrium relaxation time is derived in these three regimes. These results are confirmed by our Monte Carlo data and compared with recent experiments. Detail chain configurations during the relaxation process are analyzed from the simulation data. The time dependence of the size of the chain and the non-equilibrium relaxation are discussed in the light of scaling theories. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：280 / 291
页数：12
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