Local moment fluctuations in an optimally-doped high Tc superconductor

D. Reznik , J.-P. Ismer , I. Eremin , L. Pintschovius , M.Arai , Y. Endoh , T. Masui , S. Tajima

Authors on Pith no claims yet

classification ❄️ cond-mat.supr-con

keywords resultslocalmodesaboveapproximationbelowchargecollective

read the original abstract

We present results of neutron scattering experiments on YBa2Cu3O6.95 (Tc=93K). Our results indicate that magnetic collective modes due to correlated local moments are present both above and below Tc in optimally doped YBCO. The magnon-like modes are robust and not overdamped by itinerant particle-hole excitations, which may point at a substantial static or slowly fluctuating charge inhomogeneity. We compare the experimental results to predictions of the Fermi liquid (FL) theory in the Random Phase Approximation (RPA).

This paper has not been read by Pith yet.

Local moment fluctuations in an optimally-doped high Tc superconductor

discussion (0)