Iron pnictide superconductors: Electrons on the verge

TL;DR

This paper uses optical analysis to show that strong electronic correlations in iron pnictide parent compounds hinder electron mobility, shedding light on their superconducting properties.

Contribution

It provides new insights into the strength of electronic correlations in iron pnictide parent compounds through optical measurements.

Findings

Electronic correlations are sufficiently strong to impede electron mobility.

Optical analysis reveals significant electronic interactions.

Findings contribute to understanding superconductivity in iron pnictides.

Abstract

An optical analysis reveals that the electronic correlations in the `parent' compounds of the iron pnictide superconductors are sufficiently strong to significantly impede the mobility of the electrons.