Warren Pickett yclept

"The modern age has a false sense of security because of the great mass of data at its disposal. But the valid issue is the extent to which people know how to form and master the material at their disposal." Goethe, 1832.

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2004's Model

H3S Fermi surface. Illustration of the topological change of the constant energy surfaces in H3S that provides the van Hove singularities that makes this simple compound the current highest temperature superconductor.

Fermi surface & Nesting function. Superconductivity and lattice instability in compressed lithium from Fermi surface hot spots. Lithium superconducts up to 20K at high pressure, before structural phase transitions (lattice instabilities) occur, limiting higher Tc.

Heavens

Contact Warren Pickett wepickett@ucdavis.edu