Transport Equations for the Wigner Distribution Function
- 1 October 1979
- journal article
- research article
- Published by Taylor & Francis in Optica Acta: International Journal of Optics
- Vol. 26 (10) , 1265-1272
- https://doi.org/10.1080/713819904
Abstract
Equations have been derived which describe the transport of the Wigner distribution function in homogeneous and inhomogeneous media. In a weakly inhomogeneous medium, the transport equation can be formulated in geometrical optical terms as follows: along a geometrical optical light ray, the Wigner distribution function has a constant value.Keywords
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