2nd talk. The Mott transition
2nd talk. The Mott transition
2nd talk. The Mott transition
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<strong>The</strong> <strong>Mott</strong>-Hubbard <strong>transition</strong>. Paramagnetic state<br />
Increasing U<br />
U=0<br />
W<br />
W<br />
Double<br />
degenerate<br />
band (spin)<br />
Gap<br />
U- W<br />
W<br />
U<br />
Non-degenerate<br />
bands