The Role of Orientation and Alignment in Molecular Processes

  • Karl BlumEmail author
Part of the Springer Series on Atomic, Optical, and Plasma Physics book series (SSAOPP, volume 64)


In typical spectroscopic or collision experiments molecules rotate freely and isotropic averaging of the process considerably reduces the amount of information on the interactions. In recent years several methods have therefore been developed to produce anisotropic distributions of molecular angular momenta: for example, focusing by external electric fields, optical pumping by polarized laser excitation, or rotational cooling in supersonic expansions (see, for example, the reviews by Herschbach 1992; Friedrich et al. 1991; Scoles 1988).


Angular Momentum Differential Cross Section Azimuth Angle Diatomic Molecule Rotational Polarization 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.Institut für Theoretische PhysikUniversität MünsterMünsterGermany

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