期刊
PHYSICAL REVIEW LETTERS
卷 105, 期 25, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.256402
关键词
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资金
- Chinese NSF [NSF-10704084]
- Chinese MOST [2006CB921300, 2007CB936800]
- NSF [DMR-0346826, DMR-0451163]
- K. C. Wong Education Foundation, Hong Kong
- Office Of The Director
- EPSCoR [1003897] Funding Source: National Science Foundation
High-resolution electron energy loss spectroscopy measurements have been carried out on an optimally doped cuprate Bi(2)Sr(2)CaCu(2)O(8+delta). The momentum-dependent energy and linewidth of an A(1) optical phonon were obtained. Based on these data as well as detailed knowledge of the electronic structure, we developed a scheme to determine the electron-phonon coupling (EPC) matrix element related to a specific phonon mode. Such an approach is general and applicable to elucidating the full structure of EPC in a system with anisotropic electronic structure.
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