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2000 | 97 | 1 | 193-196
Article title

Spin Excitations in Doped Manganites

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EN
Abstracts
EN
We generalize the double exchange to describe holes doped in degenerate e_{g} orbitals in La_{1-x}A_{x}MnO_{3} manganites, where A are divalent alkaline earth ions. Assuming an orbital liquid of disordered e_{g} orbitals we find isotropic ferromagnetic exchange interactions which increase with hole doping. The magnon dispersion agrees very well with the experimental data in ferromagnetic metallic manganites.
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EN
Year
Volume
97
Issue
1
Pages
193-196
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Dates
published
2000-01
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Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv97z120kz
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