| 环境温度对布朗粒子定向运动的影响 |
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| 引用本文： | 展永,于慧,赵同军,纪青.环境温度对布朗粒子定向运动的影响[J].河北工业大学学报,2001,30(1):42-46. |
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| 作者姓名： | 展永 于慧 赵同军 纪青 |
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| 作者单位： | 河北工业大学 文理学院, |
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| 基金项目： | 河北省博士基金资助项目!（00547001D），河北省教育厅科研计划资助项目 |
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| 摘 要： | 将高斯色噪声作为系统的非平衡涨落，建立布朗粒子含惯性、阻尼及双源噪声的动力学模型，着重讨化了环境温度对粒子输运过程的影响，应用Langevin Monte Carlo方法，得出了布朗粒子稳态流的大小与环境温度有关，且不随环境温度单调变化。
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| 关 键 词： | 色噪声 非平衡涨落 稳态流 环境温度 布朗粒子 定向运动 |
| 文章编号： | 1007-2373(2001)01-0042-05 |
| 修稿时间： | 2000年12月12 |
The Influence of Environment Temperature to the Brownian Particle's Directed Motion |
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| ZHAN Yong,YU Hui,ZHAO Tong-Jun,JI Qing.The Influence of Environment Temperature to the Brownian Particle's Directed Motion[J].Journal of Hebei University of Technology,2001,30(1):42-46. |
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| Authors: | ZHAN Yong YU Hui ZHAO Tong-Jun JI Qing |
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| Abstract: | The colored noise is considered as a non-equilibrium fluctuation of system, the Brownine particle's Langevin diffusion equation including damping force,inertia ratchet potential and two noise sources is proposed. The influence of environment tamperature to particle's transport process is studied. It is found that the size of steady current in Langevin diffusion equation including damping force, inertia ratchet potential and two noise sources have relevance to environment temperature, and the change of steady current is not monotone with monotone increasing of environment temperature by using Langevin Monte Carlo's method. |
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| Keywords: | colored noise: non-equilibrium fluctuation: steady current environment temperature |
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