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The energy matrix using determinantal product states applied to Ho:YAG
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
Uppsala university.
Responsible organisation
2000 (English)In: Journal of Alloys and Compounds, ISSN 0925-8388, E-ISSN 1873-4669, Vol. 303-304, 280-284 p.Article in journal (Refereed) Published
Abstract [en]

A program written in C is applied for calculations of energy levels and wavefunctions of the lanthanides or actinides. Standard non-relativistic phenomenological operators are used. Simple determinantal product states are used to form the basis set. The complete energy matrix is diagonalized with all operators interacting simultaneously thus allowing mixing of all quantum numbers. The crystal field splitting can also be studied via the standard crystal field hamiltonian as well as the magnetic field influence on the energy levels. The program is here applied to the technologically interesting trivalent ion holmium which is used to form extremely strong magnets as well as the medical eye-safe laser Ho:YAG. Both experimentally fitted and calculated self-consistent crystal field parameters are used to study the energy structure. Crystal ionic polarizabilities with electron correlation included are partly calculated. Zeeman split levels are also studied.

Place, publisher, year, edition, pages
2000. Vol. 303-304, 280-284 p.
Keyword [en]
energy levels, rare-earth, Crystal field, Energy matrix, Polarizability
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-1574DOI: 10.1016/S0925-8388(00)00746-5ISI: 000087312600046Scopus ID: 2-s2.0-0008204498Local ID: 577OAI: oai:DiVA.org:miun-1574DiVA: diva2:26606
Conference
22nd Rare Earth Research Conference ARGONNE NATL LAB, ARGONNE, ILLINOIS, JUL 11-15, 1999
Note

22nd Rare Earth Research Conference, Jul 11-15, 1999, Argonne, Illinois

Available from: 2008-09-30 Created: 2008-09-30 Last updated: 2016-10-08Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf