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DiscoBahb
searching PlanetScale…
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DiscoBahb
3y ago
Repeat after me: Flat bands do not imply superconductivity. DFT calculations cannot be used to predict superconductivity. DFT is a single-particle calculation. Superconductivity is a multi-particle phenomenon. At most, the preprint(s) y
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DiscoBahb
3y ago
Think of it this way: in something like copper, atoms are arranged in a 3d lattice, and electrons are able to jump (or "tunnel") from copper atom to copper atom freely in any of the x, y or z directions because the lattice looks t