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Surface waves and rotational invariance in lattice theory

โœ Scribed by W. Ludwig; B. Lengeler

Publisher
Elsevier Science
Year
1964
Tongue
English
Weight
293 KB
Volume
2
Category
Article
ISSN
0038-1098

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๐Ÿ“œ SIMILAR VOLUMES

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The note discusses the validity of the rotational invariance condition used in lattice dynamics. It is pointed out that rotations of non-central fields cannot be represented by displacements alone. Formulating the equations of lattice dynamics referred to Lagrangean co-ordinates imbedded in the crys

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The anafyric determination of second and third energy derivatives in Hartree-Fock theory will probably become routine during the nest few years. Rotational invariance may be esploited to reduce the number of truly unique integal derivatives in such theoretical treatments. A systematic treatment of t