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Nonsphericity of atomic wave functions in the theory of Peierls-type structural phase transition

✍ Scribed by A. L. Semenov


Book ID
110125077
Publisher
SP MAIK Nauka/Interperiodica
Year
2000
Tongue
English
Weight
77 KB
Volume
42
Category
Article
ISSN
1063-7834

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## Abstract The temperature dependence of the soft mode frequency and of the displacement parameter, associated with the structural phase transition in perovskite‐type crystals, is calculated from anharmonic lattice dynamics in a selfconsistent way. The theory describes the change‐over from the Lan