The effect of angular-momentum alignment on light-induced drift in gaseous mixtures

Autor:	G Nienhuis, J J M Beenakker, I Kuscer
Rok vydání:	1994
Předmět:	Physics Quantum optics Angular momentum Drift velocity Diamagnetism Perturbation (astronomy) Atomic physics Condensed Matter Physics Diatomic molecule Atomic and Molecular Physics and Optics Excitation Magnetic field
Zdroj:	Journal of Physics B: Atomic, Molecular and Optical Physics. 27:1361-1370
ISSN:	1361-6455 0953-4075
DOI:	10.1088/0953-4075/27/7/011
Popis:	Theories of light-induced drift in gaseous mixtures have so far disregarded the alignment of angular momentum produced in optical excitation. The error caused thereby is estimated in terms of a first-order perturbation in non-sphericity of the intermolecular interaction. For transitions with Delta J=0 the result is not likely to exceed the order of 1% of the unperturbed drift velocity, which is below the experimental error margin. On the other hand, for Delta J=+or-1 and small J, a much larger influence for the alignment must be expected. The formalism also leads to an estimate for the precession effect caused by a magnetic field. In case of Sigma to Pi excitations of diamagnetic diatomic molecules this effect may become relatively strong.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::c7edef6d9dead6a552faa0df49e352d5 https://doi.org/10.1088/0953-4075/27/7/011 Zobrazit plný text záznamu