Symmetry analysis of quadrupolar and structural ordering in single-q phases of UPd3

Autor: Janusz Malinowski, Wieslawa Sikora, Franciszek Bialas, Lucjan Pytlik
Rok vydání: 2006
Předmět:
Zdroj: Journal of Physics: Conference Series. 30:237-248
ISSN: 1742-6596
1742-6588
DOI: 10.1088/1742-6596/30/1/029
Popis: The paper describes the application of symmetry analysis to construction of possible quadrupolar ordering modes in a crystal with a given space group symmetry. The matrix representing a given tensor property (e.g. quadrupolar moment) is converted to a vector form, for which the standard symmetry analysis algorithms can be applied. The possible ordering modes are obtained as linear combinations of basis vectors of irreducible representations of a given space group, but taking into account the constraints, specific for a given physical quantity (e.g. symmetric matrix form and zero trace for quadrupolar tensors). The results are applied to the single-q phases of UPd3 compound. For completeness the possible structural ordering modes are also calculated, which are consistent with the symmetry of a given quadrupolar ordering.
Databáze: OpenAIRE