Waldmann-Snider Collision Integrals for Mixtures of Polyatomic Gases Exact and Approximate Relations
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für Naturforschung in cooperation with the Max Planck Society for the Advancement of Science under a Creative Commons Attribution 4.0 International License. Dieses Werk wurde im Jahr 2013 vom Verlag Zeitschrift für Naturforschung in Zusammenarbeit mit der Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. digitalisiert und unter folgender Lizenz veröffentlicht: Creative Commons Namensnennung 4.0 Lizenz. Waldmann-Snider Collision Integrals for Mixtures of Polyatomic Gases Exact and Approximate Relations
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Waldmann-Snider Collision Integrals and Nonspherical Molecular Interaction I. Collision Integrals for Pure Gases
für Naturforschung in cooperation with the Max Planck Society for the Advancement of Science under a Creative Commons Attribution 4.0 International License. Dieses Werk wurde im Jahr 2013 vom Verlag Zeitschrift für Naturforschung in Zusammenarbeit mit der Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. digitalisiert und unter folgender Lizenz veröffentlicht: Creative Commons Namen...
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The system of transport relaxation equations obtained from the linearized Waldmann-Snider equation is the starting point for the kinetic treatment of the heat conductivity for mixtures of linear diamagnetic molecules in an external homogeneous magnetic field. The connection of the occurring collision integrals with certain molecular cross sections is discussed and order of magnitude considerati...
متن کاملWaldmann-Snider Collision Integrals and Nonspherical Molecular Interaction II. DWBA-Scattering Amplitude and Cross Sections for Linear Molecules
The binary scattering amplitude matrix is derived from the general interaction potential between linear molecules. The first order distorted wave Born approximation (DWBA) is used which is applicable for small nonsphericity of the interaction. The molecular cross sections determining the most important Waldmann-Snider collision integrals are calculated. In particular, the scattering cross secti...
متن کاملSpectrum of the Depolarized Rayleigh Light Scattered by Gases of Linear Molecules
The spectrum of the depolarized Rayleigh light scattered by a gas of linear molecules is calculated by a kinetic theory approach based on the Waldman-Snider equation. Collisional and diffusional broadening are studied. The line width is related to relaxation coeff icients which are collision brackets obtained from the linearized Waldmann-Snider collision term involving the binary molecular scat...
متن کاملZeitschrift für Naturforschung / A / 28 (1973)
(Z. Naturforsch. 28 a, 1543-1553 [1973] ; received 7 May 1973) Nonequilibrium alignment phenomena in gases of polyatomic molecules (Senftleben-Beenakker effect, flow birefringence) have been studied extensively during the last decade. Similar effects should also exist for atoms with nonzero electronic orbital angular momentum. The WaldmannSnider equation (considered as Boltzmann equation for re...
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