What is superconductivity?
Douglas Natelson (noreply@blogger.com)
A friend pointed out that, while I've written many posts that have to do with , I've never really done a concept post about it. Here's a try, as I attempt to distract myself from so many things happening these days.
The superconducting state is a truly remarkable phase of matter that is hosted in many metals (though ironically not readily in the pure elements (Au, Ag, Cu) that are the best ordinary conductors of electricity - see here for some references). First, some...