Quadratic Crystal-Field Effects on theJ = 15/2 Manifold in Cubic Symmetry

Autor:	A. A. Kaminskii, E. B. Dunina, A. A. Kornienko
Rok vydání:	1993
Předmět:	Physics Electronic correlation Condensed Matter Physics Manifold Electronic Optical and Magnetic Materials Ion symbols.namesake Third order Quadratic equation Stark effect Quantum mechanics symbols Hamiltonian (quantum mechanics) Mathematics::Symplectic Geometry
Zdroj:	physica status solidi (b). 178:385-389
ISSN:	1521-3951 0370-1972
DOI:	10.1002/pssb.2221780215
Popis:	The effects of electron correlation resulting from one-particle operators in third order are investigated. These effects are presented by an effective Hamiltonian having the form of a “quadratic crystal-field”. The fitting to the Stark structure of the J = 15/2 manifold by the “quadratic crystal-field” Hamiltonian gives good agreement with experimental data. The “quadratic crystal-field” Hamiltonian may be useful for the analysis of the energy-level scheme of Pr3+ ions in LiYF4 crystal, where there are problems in describing the higher manifolds by an effective one-electron Hamiltonian. [Russian Text Ignored.]
Databáze:	OpenAIRE
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