THz optical response of Ba(Fe${}_{1-x}$Ni${}_x$)${}_2$As${}_2$ films analyzed within the three-band Eliashberg s${}_{\pm }$-wave model

Yurii A. Aleshchenko, Andrey V. Muratov, Elena S. Zhukova +4

The uncertainty of the nature of the normal state and superconducting condensate of unconventional superconductors continues to stimulate considerable speculation about the mechani…