W.-L. Zhang   W. R. Meier   T. Kong   P. C. Canfield   G. Blumberg   
Physical Review B 98(14) 140501-1-140501-6 2018年10月 [査読有り]
We employ polarization-resolved Raman spectroscopy to study the multiband stoichiometric Tc=35 K superconductor CaKFe4As4. We do not detect Pomeranchuk-like electronic nematic fluctuations which were universally observed in the XY(B2g) symmetry Ra...