The ray theory of Kato and Kambe for imperfect crystals is derived in a formal way from a general dynamical theory of diffraction. This development together with the results from a previous paper concerning Takagi's equation (the wave theory) helps to clarify the meaning and limits of various phenomenological theories that have been extended to an imperfect crystal from the dynamical diffraction theory for a perfect crystal.
Received: 1973-1-16
Published Online: 2014-6-2
Published in Print: 1973-5-1
© 1946 – 2014: Verlag der Zeitschrift für Naturforschung
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