Green's functions for body-centred cubic lattices |
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Authors: | K. Kunc J. Mikloško |
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Affiliation: | (1) Faculty of Science, J. E. Purkyn University, Brno, Kotláská 2, Brno, Czechoslovakia;(2) Institute for Technical Cybernetics, Slovak Acad. Sci., Bratislava, Dúbravská cesta, Bratislava, Czechoslovakia |
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Abstract: | The presented paper contains the tables of Green's functions for bcc lattices for outband frequencies 1·0/m1·6. The central-force model is used, the interaction with 8 nearest and 6 next-nearest neighbours is considered and the number of different Green's functions is fairly decreased by symmetry. Numerical difficulties arising by computing Green's functions are discussed. The derivation of symmetry relations for a dynamical matrix is generalized for the matrix of Green's functions. |
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