Abstract
Complex exponentials exp iα are ideal mathematical expressions for treating the interactions of waves. Multiplying a real vector of magnitude f by the complex exponential, exp iα, rotates the vector by the angle α in the complex plane, i.e., (see Fig. VIII.1) f · exp iα = f · cos α + i · f · sin α.
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© 1986 Springer-Verlag Berlin Heidelberg
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Franzen, H.F. (1986). Diffraction by Crystalline Solids. In: Physical Chemistry of Inorganic Crystalline Solids. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-71237-1_8
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DOI: https://doi.org/10.1007/978-3-642-71237-1_8
Publisher Name: Springer, Berlin, Heidelberg
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