منابع مشابه
Thermomagnetic Force in Polyatomic Gases
*Work supported by the National Science Foundation. ~Alfred P. Sloan Fellows. J. Lebowitz and P. Resibois, Phys. Rev. 139, A1101 (1965), and references cited therein. H. Mori, Progr. Theoret. Phys. (Kyoto) 33, 423 (1965). 3P. Mazur and I. Oppenheim, J. Phys. Soc. Japan Suppl. 26, 35 (1969) ~ R. J. Rubin, Phys. Rev. 131, 964 (1963). Professor Zwanzig has studied (unpublished notes) Rubin's model...
متن کاملTransport Properties of Dilute Polyatomic Gases
I would like to acknowledge the Molecular Physics Group of the Kamerlingh Onnes Laboratorium and especially Prof. Dr. J. J. M. BEENAKKER for the hospitality extended to me. I thank Prof. Dr. L. WALDMANN, Dr. H. F. P. KNAAP, Dr. F. R . MCCOURT, and Dr. B. SHIZGAL for helpful discussions. This work is part of the research program of the "Stichting voor Fundamenteel Onderzoek der Materie ( F . O ....
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Sound propagat ion in di lute pure gases, b o t h m o n a t o m i c a n d p o l y a t o m i c , has been considered f r o m the po int o f v iew o f the W a l d m a n n S n i d e r equat ion . It is shown that the c o m m o n l y e m p l o y e d assumption that sound propagat ion in gases is equ iva lent t o the propagat i on o f plane waves is val id o n l y in the region where collisions rest...
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The density of rotational transitions for a polyatomic molecule is so large that in general many such transitions are hidden under the Doppler profile, this being a fundamental limit of conventional high resolution electronic spectroscopy. We present here the first Doppler-free cw two-photon spectrum of a polyatomic molecule. In the case of benzene, 400 lines are observed of which 300 are due t...
متن کاملThe Vibrational Spectra of a Polyatomic Molecule
The vibrational motion of a molecule is quantized and the resulting energy level spacings give rise to transitions in the mid-IR portion of the electromagnetic spectrum (4000 to ca. 400 cm). As you know from study of the diatomic harmonic oscillator, the energies (or wavenumber positions, cm) of these transitions are related to the bond strength (force constant), bond length, and atomic masses ...
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ژورنال
عنوان ژورنال: Physical Review
سال: 1929
ISSN: 0031-899X
DOI: 10.1103/physrev.34.582