Dispersion relation for two-dimensional simple cubic lattices

TIAN Dou-xiang; WANG Cang-long; DUAN Wen-shan; WANG Xiao-yun

doi:10.1007/s11467-008-0016-0

Front. Phys. ›› 2008, Vol. 3 ›› Issue (2) :159 -164. DOI: 10.1007/s11467-008-0016-0

Dispersion relation for two-dimensional simple cubic lattices

TIAN Dou-xiang¹, WANG Cang-long¹, DUAN Wen-shan¹, WANG Xiao-yun²

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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.

Keywords

dispersion relation / simple cubic lattice / two-dimensional (2-D) lattice

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TIAN Dou-xiang, WANG Cang-long, DUAN Wen-shan, WANG Xiao-yun. Dispersion relation for two-dimensional simple cubic lattices. Front. Phys., 2008, 3(2): 159-164 DOI:10.1007/s11467-008-0016-0