Department of Physics and Astronomy: Publications and Other Research


Date of this Version

October 1993


Published in Europhys. Lett., 24 (2), pp. 79-85 (1993). Copyright 1993 EDP Sciences. Used by permission.


It is shown that oriented molecules reveal both Linear Dichroism (LD) and Linear Dichroism in the Angular Distribution (LDAD) of photoelectrons, which means a difference between photoelectron currents ejected at a definite angle by linearly polarized light of two mutually perpendicular polarizations. Measurements of LD and LDAD enable one to investigate the orientation of molecules and to make an essential step towards the complete quantum-mechanical experiment. As an example, LDAD in a model case of oriented heteronuclear diatomic molecules is presented.

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