Dumping effect on the forming of negative dielectric properties in crystal

@article{Felinskyi2013DumpingEO,
  title={Dumping effect on the forming of negative dielectric properties in crystal},
  author={Stanislav Felinskyi and Pavel Korotkov and Georgii Felinskyi},
  journal={2013 IEEE 12th International Conference on Laser and Fiber-Optical Networks Modeling (LFNM 2013)},
  year={2013},
  pages={20-22}
}
The physical conditions analysis for the appearance of negative values of the dielectric function (DF) within the T-L splitting frequency interval in polar crystals is presented. The simple quantitative criterion for existence of negative DF band is derived in the three equivalent forms as a proper combination of basic parameters of a single phonon vibration. Principal significance of the phonon damping will be demonstrated in report especially for the realization possibility for the wave… CONTINUE READING

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