R P Mercier 1964 Proc. Phys. Soc. 83 811 doi:10.1088/0370-1328/83/5/313
Thermal radiation in anisotropic media
R P Mercier
Show affiliationsThe theory of equilibrium black body radiation has been applied to an anisotropic medium, together with a special application to a magnetoionic medium. Numerical results are presented in a curve showing the angular spectrum in the `whistler mode' where X = 4, Y = 9 in the usual notation of magnetoionic theory. The flux per unit solid angle and unit frequency interval varies inversely as the Gaussian curvature of the wave vector surface. A discussion is given of singularities where the curvature vanishes; the integrated flux is finite. Finally Liouville's theorem and the Poynting identity are compared and their extension to non-equilibrium theory (radiation transfer) indicated.
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Issue 5 (May 1964)
Received 17 December 1963
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Thermal radiation in anisotropic media
R P Mercier 1964 Proc. Phys. Soc. 83 811
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