• DocumentCode
    950678
  • Title

    Nonuniqueness of "Real ray" equations when the ray direction is complex

  • Author

    Bennett, J.A. ; Censor, D.

  • Volume
    65
  • Issue
    11
  • fYear
    1977
  • Firstpage
    1599
  • Lastpage
    1601
  • Abstract
    When the ray direction at a point is complex, there is no real direction in which the gradient of the wave vector k is uniquely determined by the value of k at the point. This contrasts with the ease in which the ray direction is real. A geometric proof of the result is presented.
  • Keywords
    Absorption; Anisotropic magnetoresistance; Differential equations; Dispersion; Head; Partial differential equations;
  • fLanguage
    English
  • Journal_Title
    Proceedings of the IEEE
  • Publisher
    ieee
  • ISSN
    0018-9219
  • Type

    jour

  • DOI
    10.1109/PROC.1977.10772
  • Filename
    1455041