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| 題名: | Elastic properties of randomly cross-linked polymers |
| 作者: | Barsky, Sandra J.;Plischke, Michael;Joós, Béla;Zhou, Zicong |
| 貢獻者: | 淡江大學物理學系 |
| 日期: | 1996-11 |
| 上傳時間: | 2013-07-09 15:07:48 (UTC+8) |
| 出版者: | College Park: American Physical Society |
| 摘要: | We have carried out extensive molecular-dynamics simulations of randomly cross-linked polymers and studied the onset of rigidity as the number of cross-links is increased. We find that for our systems, consisting of chains of length N=10, 20, 30, and 50, the shear modulus E vanishes at a concentration of cross-links that is well above the geometric percolation threshold and that it seems to approach zero as E~(n-nc)f, where the exponent f is considerably smaller than either the classical value f=3 or the corresponding exponent t~=2.0 of the conductivity of random resistor networks. |
| 關聯: | Physical Review E (Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics) 54(5), pp.5370-5376 |
| DOI: | 10.1103/PhysRevE.54.5370 |
| 顯示於類別: | [物理學系暨研究所] 期刊論文
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