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Chirality and magnetism: Free electron on an infinite helix, NCD, MCD,and magnetochiral dichroism


Wagnière, G H; Rikken, G L J A (2009). Chirality and magnetism: Free electron on an infinite helix, NCD, MCD,and magnetochiral dichroism. Chemical Physics Letters, 481(4-6):166-168.

Abstract

The free electron on a helix with periodic boundary conditions is undoubtedly one of the simplest quantum
chemical models exhibiting both chirality and orbital angular momentum. Subjected to a light beam
traveling parallel to the helix axis, the model exhibits natural circular dichroism and, assuming a lifting of
the magnetic degeneracy by an external static magnetic field, also magnetic circular dichroism and
magnetochiral dichroism. We believe that the model illustrates well the interplay of chirality and
magnetism in a pure magnetic state, and that it could also be of interest in the study of the recently
discovered chiral ferromagnets.

Abstract

The free electron on a helix with periodic boundary conditions is undoubtedly one of the simplest quantum
chemical models exhibiting both chirality and orbital angular momentum. Subjected to a light beam
traveling parallel to the helix axis, the model exhibits natural circular dichroism and, assuming a lifting of
the magnetic degeneracy by an external static magnetic field, also magnetic circular dichroism and
magnetochiral dichroism. We believe that the model illustrates well the interplay of chirality and
magnetism in a pure magnetic state, and that it could also be of interest in the study of the recently
discovered chiral ferromagnets.

Citations

14 citations in Web of Science®
16 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:English
Date:2009
Deposited On:08 Mar 2010 19:44
Last Modified:05 Apr 2016 14:01
Publisher:Elsevier
ISSN:0009-2614
Publisher DOI:https://doi.org/10.1016/j.cplett.2009.09.066

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