| Anomalous Heat Conduction in One-Dimensional Dimerized Lattices |
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| 引用本文： | 李新霞 唐翌. Anomalous Heat Conduction in One-Dimensional Dimerized Lattices[J]. 中国物理快报, 2007, 24(4): 898-901 |
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| 作者姓名： | 李新霞 唐翌 |
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| 作者单位： | [1]Department of Mathematics and Physics, Nanhua University, Hengyang 421001 [2]Institute of Modern Physics, Xiangtan University, Xiangtan 411105 |
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| 基金项目： | Supported by the 0utstanding Young Researcher＇s Foundation of Hunan Province under Grant No 03JJY1001. |
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| 摘 要： |
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| 关 键 词： | 不规则热传导 二聚物结晶体 热学 热导体 |
| 收稿时间： | 2006-10-30 |
| 修稿时间： | 2006-10-30 |
Anomalous Heat Conduction in One-Dimensional Dimerized Lattices |
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| LI Xin-Xia,TANG Yi. Anomalous Heat Conduction in One-Dimensional Dimerized Lattices[J]. Chinese Physics Letters, 2007, 24(4): 898-901 |
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| Authors: | LI Xin-Xia TANG Yi |
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| Affiliation: | 1.Department of Mathematics and Physics, Nanhua University, Hengyang 421001; 2 Institute of Modern Physics, Xiangtan University, Xiangtan 411105 |
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| Abstract: | The process of heat conduction in one-dimensional dimerized systems is studied by means of numerical simulation. Taking into account the difference between the strong bond and the weak one of the systems, our calculation indicates that heat conduction in the lattice is anomalous. For the typical parameter related to a real physical system, the divergent exponent is shown to be in agreement with that predicted by the mode-coupling theory. Moreover, our study shows that the homogeneous chain is the best thermal conductor. |
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| Keywords: | 05.70.Ln 44.10.+i 66.70.+f 05.60.-k |
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