Abstract
IN recent communications to NATURE, Langer and Dieke have pointed out that generally the shifts observed in the Raman spectra correspond not directly to the absorption frequencies of the scattering substance but to differences between its absorption frequencies, and that this is in accordance with the dispersion theory of Kramers, Heisenberg and Schrödinger. As a consequence of the quantum dispersion theory, the probability that we should observe a shift of Raman lines corresponding to the transition El→Ek is dependent on the probabilities of the transitions from El→En and from Ek→En where En is any third common level. The purpose of this note is to point out the significance of the common level from a physical point of view.
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MAJUMDAR, R., KOTHARI, D. The ‘Common Third Level’ in the Raman Effect. Nature 125, 165 (1930). https://doi.org/10.1038/125165a0
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DOI: https://doi.org/10.1038/125165a0
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