Dispersion relations of lattice waves in three-dimensional strongly coupled complex plasma crystals |
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| Authors: | Yang Xue-Feng Wang Xiao-Gang and Liu Yue |
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| Institution: | [1]School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024, China [2]State Key Laboratory of Nuclear Physics ＆ Technology, School of Physics, Peking University, Beijing 100871, China [3]Department of Applied Mathematics, Dalian University of Technology, Dalian 116024, China |
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| Abstract: | Dispersion relation matrices, with the screened Coulomb
interaction between a charged dust particle and all other particles
taken into account, are derived for waves in body centred cubic
(bcc) and face centred cubic (fcc) lattices in three-dimensional
strongly coupled complex plasma crystals separately. The matrices
are then calculated in characteristic directions to obtain the
longitudinal and transverse eigenmodes. The longitudinal and
transverse waves for these cases are discussed separately. |
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| Keywords: | plasma crystals dispersion relation matrices |
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