Correlation expansion: a powerful alternative multiple scattering calculation method
Zhao HF(赵海峰); Wu ZY(吴自玉); Zhao, HF; Sebilleau, D; Wu, ZY
刊名JOURNAL OF PHYSICS-CONDENSED MATTER
2008
卷号20期号:27页码:275241
学科分类Physics
DOI10.1088/0953-8984/20/27/275241
通讯作者[Zhao, Haifeng ; Wu, Ziyu] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China ; [Zhao, Haifeng ; Sebilleau, Didier] Univ Rennes 1, Equipe Phys Surfaces & Interfaces, Inst Phys Rennes, CNRS,UR1 UMR 6251, F-35042 Rennes, France ; [Wu, Ziyu] Chinese Acad Sci, Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China ; [Wu, Ziyu] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230026, Peoples R China
文章类型Article
英文摘要We introduce a powerful alternative expansion method to perform multiple scattering calculations. In contrast to standard MS series expansion, where the scattering contributions are grouped in terms of scattering order and may diverge in the low energy region, this expansion, called correlation expansion, partitions the scattering process into contributions from different small atom groups and converges at all energies. It converges faster than MS series expansion when the latter is convergent. Furthermore, it takes less memory than the full MS method so it can be used in the near edge region without any divergence problem, even for large clusters. The correlation expansion framework we derive here is very general and can serve to calculate all the elements of the scattering path operator matrix. Photoelectron diffraction calculations in a cluster containing 23 atoms are presented to test the method and compare it to full MS and standard MS series expansion.
类目[WOS]Physics, Condensed Matter
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000257178300043
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/241057
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Zhao HF,Wu ZY,Zhao, HF,et al. Correlation expansion: a powerful alternative multiple scattering calculation method[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2008,20(27):275241.
APA 赵海峰,吴自玉,Zhao, HF,Sebilleau, D,&Wu, ZY.(2008).Correlation expansion: a powerful alternative multiple scattering calculation method.JOURNAL OF PHYSICS-CONDENSED MATTER,20(27),275241.
MLA 赵海峰,et al."Correlation expansion: a powerful alternative multiple scattering calculation method".JOURNAL OF PHYSICS-CONDENSED MATTER 20.27(2008):275241.
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