| General formula for phonon-assisted n-photon absorption in solids |
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| 作者姓名： | 邓洪祥 蒋晓东 向霞 孙凯 袁晓东 郑万国 高飞 祖小涛 |
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| 作者单位： | Department of Applied Physics, University of Electronic Science and Technology of China Research Center of Laser Fusion, China Academy of Engineering Physics Department of Materials Engineering and Sciences, University of Michigan, Ann Arbor, MI 48109, USA Pacific Northwest National Laboratory, P. O. Box 999, Richland, WA 99352, USA |
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| 基金项目： | Project supported by the National High Technology Research and Development Program of China (863 Program) (Grant Nos. 2007AA804233 and 2008AA804050) and by the Fundamental Research Funds for the Central Universities (Grant Nos. ZYGX2009J046 and ZYGX2009X007). |
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| 摘 要： | A general formula for phonon-assisted n-photon absorption in solids is obtained by (n+1)-th order perturbation technique. The complicated calculation process for transition element of n-photon absorption is simply demonstrated by a diagram approach that is proposed in this work. We find that the transition element for the n-photon absorption has a simple form, i.e., it is just the first term of the n-th order fist kind Bessel function.
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| 关 键 词： | general formula phonon-assisted photons absorption n order perturbation technique diagram approach intense laser |
| 收稿时间： | 3/6/2010 12:00:00 AM |
| 修稿时间： | 4/9/2010 12:00:00 AM |
General formula for phonon-assisted n-photon absorption in solids |
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| Deng Hong-Xiang,Jiang Xiao-Dong,Xiang Xi,Sun Kai,Yuan Xiao-Dong,Zheng Wan-Guo,Gao Fei and Zu Xiao-Tao.General formula for phonon-assisted n-photon absorption in solids[J].Chinese Physics B,2010,19(10):107801-107801. |
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| Authors: | Deng Hong-Xiang Jiang Xiao-Dong Xiang Xi Sun Kai Yuan Xiao-Dong Zheng Wan-Guo Gao Fei and Zu Xiao-Tao |
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| Institution: | Department of Applied Physics, University of Electronic Science and Technology of China, Chengdu 610054, China;Department of Applied Physics, University of Electronic Science and Technology of China, Chengdu 610054, China; Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;Department of Applied Physics, University of Electronic Science and Technology of China, Chengdu 610054, China;Department of Materials Engineering and Sciences, University of Michigan, Ann Arbor, MI 48109, USA;Department of Applied Physics, University of Electronic Science and Technology of China, Chengdu 610054, China; Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;Pacific Northwest National Laboratory, P. O. Box 999, Richland, WA 99352, USA;Department of Applied Physics, University of Electronic Science and Technology of China, Chengdu 610054, China |
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| Abstract: | A general formula for phonon-assisted n-photon absorption in solids is obtained by (n+1)-th order perturbation technique. The complicated calculation process for transition element of n-photon absorption is simply demonstrated by a diagram approach that is proposed in this work. We find that the transition element for the n-photon absorption has a simple form, i.e., it is just the first term of the n-th order fist kind Bessel function. |
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| Keywords: | general formula phonon-assisted photons absorption n order perturbation technique diagram approach intense laser |
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