Abstract
THE intimate connexion between absorption and selective dispersion suggests that the process of ‘negative absorption’ implied by the Planck-Einstein theory of temperature radiation should be accompanied by a corresponding negative selective dispersion. The idea of ‘negative dispersion’ was first introduced by H. A. Kramers in his correspondence theory of the scattering and dispersion of light (see NATURE, 113, p. 673; 1924). It now appears also in the quantum mechanics of these phenomena.
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KOPFERMANN, H., LADENBURG, R. Experimental Proof of ‘Negative Dispersion.’. Nature 122, 438–439 (1928). https://doi.org/10.1038/122438a0
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DOI: https://doi.org/10.1038/122438a0
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