Theory of charge and spin ordering in the nickelates - Physics ...
Theory of charge and spin ordering in the nickelates - Physics ...
Theory of charge and spin ordering in the nickelates - Physics ...
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Put it toge<strong>the</strong>r<br />
Strong coupl<strong>in</strong>g picture agrees with HF<br />
↑0↓0<br />
θ=0<br />
↑0↓0<br />
θ=π/4±δ<br />
SDW+CO<br />
↑↑↓↓<br />
Ɵ =0<br />
0 < Ɵ < π/4<br />
Ɵ = π/4<br />
PM+M : paramagnetic metal<br />
SM : semimetal+SDW<br />
SDW+CO+I : <strong>sp<strong>in</strong></strong> density wave +<br />
<strong>charge</strong> <strong>order<strong>in</strong>g</strong> + <strong>in</strong>sulator<br />
SDW+M : <strong>sp<strong>in</strong></strong> density wave + metal