Thermal Hall conductivity in the strongest cuprate superconductor: Estimate of the mean free path in the trilayer cuprate HgBa${}_2$Ca${}_2$Cu${}_3$O${}_{8+\delta }$

Munkhtuguldur Altangerel, Quentin Barthélemy, Étienne Lefrançois +12

The thermal Hall conductivity of the trilayer cuprate HgBa${}_2$Ca${}_2$Cu${}_3$O${}_{8+\delta }$ (Hg1223) - the superconductor with the highest critical temperature $T_c$ at ambient pressure -…