A model delta-function potential is considered for simulating the interaction of the attached electron in C-60(-) with the fullerene environment. The analytical expressions for the energy eigenstates, and the Green's function, are used to deduce the one-, two-, and three-photon photodetachment probabilities for C-60(-). Particularly interesting is the observation that the three-photon photodetachment is greatly enhanced by the bound states with energies close to the energies for resonant absorption of one and two photons, and a resonance in the l=3 state. (C) 2005 American Institute of Physics.
机构:Hong Kong Univ Sci & Technol, Dept Phys, Hong Kong, Hong Kong, Peoples R China
Liang, Q
Tsui, OKC
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机构:Hong Kong Univ Sci & Technol, Dept Phys, Hong Kong, Hong Kong, Peoples R China
Tsui, OKC
Xu, YB
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机构:Hong Kong Univ Sci & Technol, Dept Phys, Hong Kong, Hong Kong, Peoples R China
Xu, YB
Li, HN
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机构:Hong Kong Univ Sci & Technol, Dept Phys, Hong Kong, Hong Kong, Peoples R China
Li, HN
Xiao, XD
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Hong Kong Univ Sci & Technol, Dept Phys, Hong Kong, Hong Kong, Peoples R ChinaHong Kong Univ Sci & Technol, Dept Phys, Hong Kong, Hong Kong, Peoples R China
机构:Peking Univ, Sch Phys, Electron Microscopy Lab, Beijing 100871, Peoples R China
Xing, YJ
Jing, GY
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机构:Peking Univ, Sch Phys, Electron Microscopy Lab, Beijing 100871, Peoples R China
Jing, GY
Xu, J
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机构:Peking Univ, Sch Phys, Electron Microscopy Lab, Beijing 100871, Peoples R China
Xu, J
Yu, DP
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Peking Univ, Sch Phys, Electron Microscopy Lab, Beijing 100871, Peoples R ChinaPeking Univ, Sch Phys, Electron Microscopy Lab, Beijing 100871, Peoples R China
Yu, DP
Liu, HB
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机构:Peking Univ, Sch Phys, Electron Microscopy Lab, Beijing 100871, Peoples R China
Liu, HB
Li, YL
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机构:Peking Univ, Sch Phys, Electron Microscopy Lab, Beijing 100871, Peoples R China