In three recent papers, the authors report on their detailed investigations to show that a Type 1.5 superconducting state is indeed possible in a class of materials called multiband superconductors.
For years, most physicists believed that superconductors must be either Type I or Type II. Type 1.5 superconductivity is the subject of intense debate because until now there was no theory to connect the physics with micro-scale properties of real materials, say Egor Babaev of UMass Amherst, currently a fellow at the technology institute in Stockholm, with Mikhail Silaev, a postdoctoral researcher there.
Their new papers now provide a theoretical framework to allow scientists to calculate conditions necessary for the appearance of Type 1.5 superconductivity, which exhibits characteristics of Types I and II previously thought to be antagonistic.
The original notation is kind of interesting. If you adopt roman numerals, you obviously expect to stick with integers, and do not anticipate anything in-between.
I wonder how often this sort of problem has arisen ... expectation of fixed quantum or integer possibilities being challenged by a possible intermediate state? I recall some challenge a few years back to possible electron charges smaller than -1, but don't think it went anywhere.
I think you are referring to Randell Mills and his Hydrino theory.
Funny guy Randell mills, he was supposed to show us how to drop an energy state to unheard values, but to date he only proved how to drop the bank account of his financiers to an unheard value of 70M US$.