Lattice Vibrations and Optical Waves in Ionic Crystals

@article{Huang1951LatticeVA,
  title={Lattice Vibrations and Optical Waves in Ionic Crystals},
  author={Kun Huang},
  journal={Nature},
  year={1951},
  volume={167},
  pages={779-780}
}
  • Kun Huang
  • Published 1951
  • Materials Science
  • Nature
LATTICE vibrations in ionic crystals are usually treated with the unretarded Coulomb forces. Despite some discussions in the existing literature1,2, the precise nature of the effect due to retardation remains unknown. We have found that explicit solution of the problem is possible for diatomic crystals with optical isotropy, mainly because the lattice vibrations concerned are very long waves, for which the lattice behaviours can be described by the following equations3: where w is the… Expand
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