Construction of third and fourth rank tensors for the triclinic, monoclinic and orthorhombic crystal classes

A simple method is described for constructing symmetry‐allowed polar tensors for n‐photon processes of rank three and four by using polar tensors of rank one and two. The consideration is restricted here to the triclinic, monoclinic and orthorhombic crystal classes and intrinsic symmetry is not take...

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Veröffentlicht in:	Journal of Raman spectroscopy 1994-05, Vol.25 (5), p.317-320
Hauptverfasser:	Leuchs, M., Kiefer, W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Crystalline state (including molecular motions in solids) Equations of state, phase equilibria, and phase transitions Exact sciences and technology Physics Solid-solid transitions Specific phase transitions Structure of solids and liquids crystallography Theory of crystal structure, crystal symmetry calculations and modeling
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Beschreibung
Zusammenfassung:	A simple method is described for constructing symmetry‐allowed polar tensors for n‐photon processes of rank three and four by using polar tensors of rank one and two. The consideration is restricted here to the triclinic, monoclinic and orthorhombic crystal classes and intrinsic symmetry is not taken into account. Expansion to higher order tensors is possible.
ISSN:	0377-0486 1097-4555
DOI:	10.1002/jrs.1250250505