Naslov
Magnetic resonance in the model high-temperature superconductor HgBa2CuO4+

Autori
Yu, G. ; Li, Y. ; Motoyama, E.M. ; Zhao, X. ; Barišić, Neven ; Cho, Y. ; Bourges, P. ; Hradil, K. ; Mole, R.A. ; Greven, M.

Izvornik
Physical Review B - Condensed Matter and Materials Physics (1098-0121) 81 (2010); 064518-1

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

Ključne riječi
PACS number
s: 74.72.h; 74.25.Ha; 78.70.Nx

Sažetak
Inelastic neutron-scattering measurements of single-CuO2-layer HgBa2CuO4+
reveal an antiferromagnetic resonance with energy r=56 meV
6.8kBTc below the superconducting transition temperature Tc 96 K. The resonance is energy-resolution limited and exhibits an intrinsic momentum width of about 0.2 Å−1, consistent with prior work on several other cuprates. The rather large value of r is identical to the characteristic energy of the electron-boson spectral density obtained from recent optical conductivity work, consistent with the notion that the charge carriers are strongly coupled to magnetic fluctuations.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

POVEZANOST RADA