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Theory of charge and spin ordering in the nickelates - Physics ...

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Outl<strong>in</strong>e<br />

Introduction to Mott transitions <strong>and</strong> <strong>charge</strong>/<strong>sp<strong>in</strong></strong> order <strong>in</strong> <strong>the</strong><br />

RNiO3 <strong>nickelates</strong><br />

Hubbard model<br />

it<strong>in</strong>erant limit: <strong>sp<strong>in</strong></strong>-density wave<br />

L<strong>and</strong>au analysis <strong>of</strong> <strong>sp<strong>in</strong></strong> <strong>and</strong> <strong>charge</strong> order<br />

role <strong>of</strong> orthorhombicity<br />

Localized limit<br />

<strong>sp<strong>in</strong></strong> <strong>and</strong> <strong>charge</strong> order<br />

O<strong>the</strong>r tests for it<strong>in</strong>erant versus localized physics

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