Some applications of the discrete fourier transform to problems of crystal lattice deformation I |
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| Authors: | I Babu?ka E Vitásek F Kroupa |
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| Institution: | (1) Institute of Mathematics, Czechosl. Acad. Sci., Prague;(2) Institute of Physics, Czechosl. Acad. Sci., Prague |
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| Abstract: | The theory of the discrete Fourier transform 1], 2] is applied in solving a system of difference equations describing the positions of atoms in a deformed crystal lattice. The crystal lattice is approximated by the Born-Kármán model modified to include the internal energy of the undeformed crystal.
                        
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