Spin-orbit physics giving rise to novel phases in correlated systems: Iridates and related materials

JG Rau, EKH Lee, HY Kee - Annual Review of Condensed …, 2016 - annualreviews.org
Recently, the effects of spin-orbit coupling (SOC) in correlated materials have become one
of the most actively studied subjects in condensed matter physics, as correlations and SOC …

Correlated quantum phenomena in the strong spin-orbit regime

W Witczak-Krempa, G Chen, YB Kim… - Annu. Rev. Condens …, 2014 - annualreviews.org
We discuss phenomena arising from the combined influence of electron correlation and spin-
orbit coupling (SOC), with an emphasis on emergent quantum phases and transitions in …

Magnetic Excitation Spectra of Probed by Resonant Inelastic X-Ray Scattering: Establishing Links to Cuprate Superconductors

J Kim, D Casa, MH Upton, T Gog, YJ Kim, JF Mitchell… - Physical Review Letters, 2012 - APS
We used resonant inelastic x-ray scattering to reveal the nature of magnetic interactions in
Sr 2 IrO 4, a 5 d transition-metal oxide with a spin-orbit entangled ground state and J eff= 1/2 …

Twisted Hubbard Model for : Magnetism and Possible High Temperature Superconductivity

F Wang, T Senthil - Physical Review Letters, 2011 - APS
Sr 2 IrO 4 has been suggested as a Mott insulator from a single J eff= 1/2 band, similar to the
cuprates. However, this picture is complicated by the measured large magnetic anisotropy …

Fermi arcs in a doped pseudospin-1/2 Heisenberg antiferromagnet

YK Kim, O Krupin, JD Denlinger, A Bostwick… - Science, 2014 - science.org
High-temperature superconductivity in cuprates arises from an electronic state that remains
poorly understood. We report the observation of a related electronic state in a noncuprate …

The challenge of spin–orbit-tuned ground states in iridates: a key issues review

G Cao, P Schlottmann - Reports on Progress in Physics, 2018 - iopscience.iop.org
Abstract Effects of spin–orbit interactions in condensed matter are an important and rapidly
evolving topic. Strong competition between spin–orbit, on-site Coulomb and crystalline …

Electron-Doped : An Analogue of Hole-Doped Cuprate Superconductors Demonstrated by Scanning Tunneling Microscopy

YJ Yan, MQ Ren, HC Xu, BP Xie, R Tao, HY Choi… - Physical Review X, 2015 - APS
Sr 2 Ir O 4 was predicted to be a high-temperature superconductor upon electron doping
since it highly resembles the cuprates in crystal structure, electronic structure, and magnetic …

Magnetic and crystal structures of : A neutron diffraction study

F Ye, S Chi, BC Chakoumakos… - Physical Review B …, 2013 - APS
We report a single-crystal neutron diffraction study of the layered Sr 2 IrO 4. This work
unambiguously determines the magnetic structure of the system and reveals that the spin …

Lattice-driven magnetoresistivity and metal-insulator transition in single-layered iridates

M Ge, TF Qi, OB Korneta, DE De Long… - Physical Review B …, 2011 - APS
Sr 2 IrO 4 exhibits an insulating state driven by spin-orbit interactions. We report two
phenomena, namely, a large magnetoresistivity in Sr 2 IrO 4 that is extremely sensitive to the …

Reduced Effective Spin-Orbital Degeneracy and Spin-Orbital Ordering in Paramagnetic Transition-Metal Oxides: versus

C Martins, M Aichhorn, L Vaugier, S Biermann - Physical review letters, 2011 - APS
We discuss the notions of spin-orbital polarization and ordering in paramagnetic materials,
and address their consequences in transition-metal oxides. Extending the combined density …