Magnetic order in the pseudogap phase of HgBa 2CuO 4+δ studied by spin-polarized neutron diffraction - Yuan Li; V. Balédent; N. Bariić; Y.C. Cho; Y. Sidis; G. Yu; X. Zhao; P. Bourges; M. Greven (Physical Review B - Condensed Matter and Materials Physics, 2011)