Department of Physics Papers

Document Type

Journal Article

Date of this Version

4-2007

Publication Source

The European Physical Journal of Applied Physics

Volume

38

Issue

1

Start Page

41

Last Page

46

DOI

10.1051/epjap:2007039

Abstract

This article presents a group-theoretical investigation of an incommensurate magnetic structure in the case where the crystal structure is centrosymmetric while the structure vector k is not conserved by inversion. A first method starts with the conventional group-theoretical treatment taking into account the transformations which conserve k and then combines the solutions to obtain a centrosymmetric and real magnetization. A second method includes inversion in the group-theoretical treatment, for instance by introducing the complex conjugation operator and corepresentations. The general theory is applied to CeAl2 with the scope of improving the knowledge of its magnetic structure.

Copyright/Permission Statement

Credit: Schweizer, Villain, and Harris, A&A, vol. 38, 41-46, 2007, reproduced with permission from Astronomy & Astrophysics, © ESO

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Date Posted:06 October 2015

This document has been peer reviewed.