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Symmetry constraints on the electrical polarization in novel multiferroic materials

Abstract:

The symmetry conditions for the development of a macroscopic electrical polarization as a secondary order parameter to a magnetic ordering transition, and the constraints on the direction of the polarization vector, are determined by a non-conventional application of the theory of irreducible co-representations. In our approach, which is suitable for both magnetic and structural modulations, anti-unitary operators are employed to describe symmetry operations that exchange the propagation vect...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.76.054428

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
Journal:
PHYSICAL REVIEW B
Volume:
76
Issue:
5
Publication date:
2006-09-05
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:eed9ee9f-9ff9-4545-88d3-7b2bdb74fd2c
Source identifiers:
90418
Local pid:
pubs:90418
Language:
English
Keywords:

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