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          Institute: MPI für Festkörperforschung     Collection: FKF Publikationen 2006     Display Documents



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ID: 273558.0, MPI für Festkörperforschung / FKF Publikationen 2006
Pressure-Induced Metal-Insulator Transition in LaMnO3 Is Not of Mott-Hubbard Type
Authors:Yamasaki, A.; Feldbacher, M.; Yang, Y. F.; Andersen, O. K.; Held, K.
Language:English
Date of Publication (YYYY-MM-DD):2006
Title of Journal:Physical Review Letters
Volume:96
Issue / Number:16
Sequence Number of Article:166401
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:Calculations employing the local density approximation combined with
static and dynamical mean field theories (LDA+U and LDA+DMFT) indicate
that the metal-insulator transition observed at 32 GPa in paramagnetic
LaMnO3 at room temperature is not a Mott-Hubbard transition, but is
caused by orbital splitting of the majority-spin e(g) bands. For LaMnO3
to be insulating at pressures below 32 GPa, both on-site Coulomb
repulsion and Jahn-Teller distortion are needed.
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Festkörperforschung
External Affiliations:Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany.
Identifiers:ISI:000237156700047 [ID No:1]
ISSN:0031-9007 [ID No:2]
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