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Two-body problem in general relativity theory

Abstract:

The appearance of the interesting paper of E. K. Plyler and D. Williams on the infrared absorption spectrum of hydrogen chloride in benzene at about 3. 4p,'has suggested to us. the propriety of recounting our observations on the infrared absorption of that substance in varioussolvents, made in continuance of workon the Raman spectraof these solutions.'The work has been performed on the harmonic at about 1. 76@ by means of a prism-grating spectrometer employing an echelette grating of 3600 lines to the inch. The results are in general agreement with those obtained from Raman spectra—the absorption band is displaced to lower frequencies by an amount increasing with the dipole moment of the solvent, the displacement reaching a limiting value beyond which further increase in momentis without e8ect. As is perhaps to beexpected, there is no trace of rotational structure, though solutions in PC13, POC13 …