摘要A three-dimensional (3D) dusty plasma crystalline with cubic configurations is considered. We calculate the interaction between particles up to distance √2a, implying the second−neighbor interactions for the simple cubic structure, the third-neighbor interactions for the body-centered cubic structure, and the forth-neighbor interactions the for face-centered cubic structure. Longitudinal and transverse dispersion relations are derived in arbitrary directions. The dispersion relations are studied in special directions, i.e. (1,0,0), (1,1,0)/√2, and (1,1,1)/√2. Study of dispersion relations with more neighbor interactions show that in some cases the results change physically.
Abstract：A three-dimensional (3D) dusty plasma crystalline with cubic configurations is considered. We calculate the interaction between particles up to distance √2a, implying the second−neighbor interactions for the simple cubic structure, the third-neighbor interactions for the body-centered cubic structure, and the forth-neighbor interactions the for face-centered cubic structure. Longitudinal and transverse dispersion relations are derived in arbitrary directions. The dispersion relations are studied in special directions, i.e. (1,0,0), (1,1,0)/√2, and (1,1,1)/√2. Study of dispersion relations with more neighbor interactions show that in some cases the results change physically.
B. Farokhi*, A. Hameditabar. Comparison of Dust Lattice Waves in Three-Dimensional Cubic Configurations[J]. 中国物理快报, 2012, 29(2): 25204-025204.
B. Farokhi, A. Hameditabar. Comparison of Dust Lattice Waves in Three-Dimensional Cubic Configurations. Chin. Phys. Lett., 2012, 29(2): 25204-025204.
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