Surface phason-polaritons in charge density wave films

  title={Surface phason-polaritons in charge density wave films},
  author={Wolf Wonneberger and R. Lamche},
  journal={Physica B-condensed Matter},
Abstract The elementary excitations of quasi-one-dimensional charge density waves (CDW) which couple directly to the electric field are the phasons. Phasons give rise to phason-polaritons when coupled to the electromagnetic field. In finite geometry, surface phason-polaritons appear. We have calculated surface phason-polariton spectra for CDW films for P-polarization and CDW conducting axis inside the film. The f.i.r. surface phason-polariton states are confined to a finite band of longitudinal… 


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