Irreducible fourth-rank Cartesian tensors

D. L. Andrews, W. A. Ghoul

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Abstract

The complete reduction of a fourth-rank Cartesian tensor into parts wich are irreducible under the three-dimensional rotation group is presented. Results are given for the general case of a tensor without index permutational symmetry, and also for tensors with specific index symmetry properties. Applications in the realm of crystal physics are indicated with particular reference to four-photon absorption, and a table of irreducible tensor representations is provided for the seven crystal classes.
Original languageEnglish
Pages (from-to)2647-2657
Number of pages11
JournalPhysical Review A
Volume25
Issue number5
DOIs
Publication statusPublished - 1982

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