Plasmon dispersion and linewidth in aluminium |
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| Authors: | R K Pal D N Tripathy |
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| Affiliation: | (1) Institute of Physics, Sachivalaya Marg, 751005 Bhubaneswar, India;(2) Present address: Department of Physics, Sri Venkateswara College, Dhaula Kuan, 110021 New Delhi, India |
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| Abstract: | Plasmon dispersion in Al is estimated using the expression for the dynamic structure function,S pl(K,ω), corresponding to the plasmon excitations in a many-electron system derived earlier. An evaluation of its plasmon linewidth is also presented. It is observed that for Al both the dispersion and linewidth agree fairly well with experiments. |
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| Keywords: | Dynamic structure function one-plasmon propagator dielectric function synchrotron radiation pair correlation function |
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