Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
1997-10-22
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages Latex
Scientific paper
10.1103/PhysRevB.57.R5583
We propose a mechanism for A-type antiferromagnetism in orthorombic LaMnO_3, compatible with the large Jahn-Teller splitting inferred from structural data. Orbital ordering resulting from Jahn-Teller distortions effectively leads to A-type ordering (antiferromagnetic in the c axis and ferromagnetic in the ab plane) provided the in-plane distorsion Q_2 is large enough, a condition generally fulfilled in existing data.
Feinberg Denis
Germain Pierre
Grilli Marco
Seibold G.
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