LS coupling

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LS coupling

[¦el¦es ‚kəp·liŋ]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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In terms 8,9 we have a symmetric angular momentum coupling [J.sub.uu] = 1 and the antisymmetry is obtained from the orthogonality of the radial function [f.sub.i](r), [g.sub.i](r).