Collision-induced Absorption in Diatomic Molecule/rare-gas Mixtures

Download or read book Collision-induced Absorption in Diatomic Molecule/rare-gas Mixtures written by H. T. Yura and published by . This book was released on 1967 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: A quantum mechanical calculation is given for collision-induced absorption in the infrared and far-infrared spectral regions for mixtures consisting of symmetrical diatomic molecules and rare-gas atoms. The induced moment consists of a short-range overlap term and a long-range quadrupole term. Near molecular transition lines, the quadrupole term gives the main contribution to the absorption, while in the far wings, the overlap term is dominant. The H2-He, H2-Ar, N2-Ar systems are considered, and an estimate is given of the absorption coefficient near 10 millimicrons for N2-N2 systems. (Author).