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Dispersion relation for two-dimensional simplecubic lattices |
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| Authors: | TIAN Dou-xiang WANG Cang-long DUAN Wen-shan WANG Xiao-yun |
| Affiliation: | 1.Department of Physics, Northwest Normal University; 2.School of Mathematics, Physics and Software Engineering, Lanzhou Jiaotong University; |
| Abstract: | The linear wave equation for the simple cubic lattice is given in this paper. The dispersion relations of both longitudinal and transverse waves are given analytically for the acoustic mode and the optical mode, respectively. |
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