Regensburg 2016 – wissenschaftliches Programm
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TT: Fachverband Tiefe Temperaturen
TT 62: Focus Session: High Temperature Superconductivity in Hydrides
TT 62.1: Hauptvortrag
Donnerstag, 10. März 2016, 09:30–10:00, H20
Conventional high temperature superconductivity: from A15 to MgB2 to H3S — •Igor Mazin — NRL, Washington, DC
I will review, mostly for the benefits of the younger generation, the history of the half-century long quest for the room-temperature superconductivity, concentrating on the conventional electron-phonon mechanism. I will outline several stages, characterized by different paradigmes, which can be tagged in a Potterian way thus:
(1) A-15 and the concept of an upper bound on Tc
(2) V.L. Ginzburg and the concept of a negative dielectric function
(3) MgB2 and the concept of doped covalent bonds
(4) H3S and the room temperature superconductivity
(if the room is in Antarctica).
I am dedicating this talk to the memory of my teacher, Vitaly Ginzburg, on occasion of his 100th birthday.