Orientation of the intra-unit-cell magnetic moment in the high-Tc superconductor HgBa2CuO${}_{4+\delta }$

Yang Tang, Lucile Mangin-Thro, Andrew Wildes +6

Polarized-neutron diffraction experiments (PND) have revealed that the pseudogap state of the cuprates exhibits unusual intra-unit-cell (IUC) magnetism. At a qualitative level, the…