Fermi liquid state and enhanced electron correlations in the new iron pnictide CaFe${}_4$As${}_3$

Liang L. Zhao, Tanghong Yi, James C. Fettinger +2

The newly discovered CaFe${}_4$As${}_3$ system displays low-temperature Fermi liquid behavior, with enhanced electron-electron correlations. At high temperatures, the magnetic suscepti…