| 快速傅立叶变换在自旋动力学模拟中的应用 |
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| 引用本文： | 厉海金,胡海冰,黄宏强.快速傅立叶变换在自旋动力学模拟中的应用[J].西藏大学学报,2009(5):100-105. |
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| 作者姓名： | 厉海金 胡海冰 黄宏强 |
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| 作者单位： | [1]西藏大学理学院 [2]西藏大学医学院,西藏拉萨850000 |
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| 摘 要： | 文章介绍了计算物理中非常有用的快速傅立叶方法及其在卷积中的应用。然后把快速傅立叶变换从周期性边界条件推广到开放的边界条件。再把推广了的快速傅立叶方法应用到自旋动力学模拟计算中。结论：快速傅立叶算法的应用大大提高了计算机模拟计算的效率。
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| 关 键 词： | 快速傅立叶变换 模拟计算 开发边界条件 自旋动力学 有效场 |
The application of fast Fourier transformation in spin dynamic simulation |
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| Li Hai-jin,Hu Hai-bing,Huang Hong-qiang.The application of fast Fourier transformation in spin dynamic simulation[J].Journal of Tibet University,2009(5):100-105. |
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| Authors: | Li Hai-jin Hu Hai-bing Huang Hong-qiang |
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| Institution: | 12 School of Science, Tibet University;3 Medical College of Tibet University, Lhasa 850000, China) |
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| Abstract: | this paper introduces the fast Fourier transformation and its application in volume product, and the extension of fast Fourier transformation from periodic boundary condition to open boundary condition. We applied the extended fast Fourier transformation into the simulation of spin dynamics in condensed matter. The conclusion is that the application of fast Fourier transformation can greatly accelerated the simulation. |
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| Keywords: | Fast Fourier transformation simulation open boundary condition spin dynamics effective field |
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