Naslov
Universal precursor of superconductivity in the cuprates

Autori
Yu, G. ; Xia, D.-D. ; Pelc, D. ; He, R.-H. ; Kaneko, N.-H. ; Sasagawa, T. ; Li, Y. ; Zhao, X. ; Barišić, N. ; Shekhter, A. ; Greven, M.

Izvornik
Physical review. B. (2469-9950) 99 (2019), 21; 214502, 6

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
superconducting (SC) precursor ; cuprates

Sažetak
Using torque magnetometry, we reveal remarkably simple universal behavior of the superconducting (SC) precursor in the cuprates by tracking the nonlinear diamagnetism above Tc in four distinct compounds: singleCuO2-layer HgBa2CuO4+δ , La2−xSrxCuO4 and Bi2(Sr, La)2CuO6+δ , and double-layer Bi2Sr2Ca0.95Y0.05Cu2O8+δ . We find that SC diamagnetism vanishes in an exponential manner, characterized by a universal temperature scale that is approximately independent of compound and Tc. We discuss the possibility that this unusual behavior signifies the proliferation of SC clusters as a result of intrinsic inhomogeneity inherent to the cuprates.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

POVEZANOST RADA