Magnetic pyrochlore oxides

JS Gardner, MJP Gingras, JE Greedan - Reviews of Modern Physics, 2010 - APS
Within the past 20 years or so, there has occurred an explosion of interest in the magnetic
behavior of pyrochlore oxides of the type A 2 3+ B 2 4+ O 7, where A is a rare-earth ion and …

Quantum spin ice: a search for gapless quantum spin liquids in pyrochlore magnets

MJP Gingras, PA McClarty - Reports on Progress in Physics, 2014 - iopscience.iop.org
The spin ice materials, including Ho 2 Ti 2 O 7 and Dy 2 Ti 2 O 7, are rare-earth pyrochlore
magnets which, at low temperatures, enter a constrained paramagnetic state with an …

Dynamically Induced Frustration as a Route to a Quantum Spin Ice State in <?format ?>via Virtual Crystal Field Excitations and Quantum Many-Body Effects

HR Molavian, MJP Gingras, B Canals - Physical review letters, 2007 - APS
The Tb 2 Ti 2 O 7 pyrochlore magnetic material is attracting much attention for its spin liquid
state, failing to develop long-range order down to 50 mK despite a Curie-Weiss temperature …

Dynamical Structure Factor of the Three-Dimensional Quantum Spin Liquid Candidate

S Zhang, HJ Changlani, KW Plumb, O Tchernyshyov… - Physical Review Letters, 2019 - APS
We study the dynamical structure factor of the spin-1 pyrochlore material NaCaNi 2 F 7,
which is well described by a weakly perturbed nearest-neighbour Heisenberg Hamiltonian …

Antiferromagnetic insulators with tunable magnon-polaron Chern numbers induced by in-plane optical phonons

B Ma, GA Fiete - Physical Review B, 2022 - APS
We theoretically study magnon-phonon hybrid excitations (magnon polarons) in two-
dimensional antiferromagnets on a honeycomb lattice. With an in-plane Dzyaloshinskii …

Chiral phonons induced from spin dynamics via magnetoelastic anisotropy

B Ma, ZD Wang, G Chen - Physical Review Letters, 2024 - APS
We propose a mechanism to obtain chiral phononlike excitations from the bond-dependent
magnetoelastic couplings in the absence of out-of-plane magnetization and magnetic fields …

Multiphase magnetism in Yb2Ti2O7

A Scheie, J Kindervater, S Zhang… - Proceedings of the …, 2020 - National Acad Sciences
We use neutron scattering to show that ferromagnetism and antiferromagnetism coexist in
the low T state of the pyrochlore quantum magnet Yb 2 Ti 2 O 7. While magnetic Bragg …

Spin-orbit effects in : A hyper-kagome lattice antiferromagnet

G Chen, L Balents - Physical Review B—Condensed Matter and Materials …, 2008 - APS
We consider spin-orbit coupling effects in Na 4 Ir 3 O 8, a material in which Ir 4+ spins form
an hyper-kagome lattice, a three-dimensional network of corner-sharing triangles. We argue …

Topological magnon bands and unconventional superconductivity in pyrochlore iridate thin films

P Laurell, GA Fiete - Physical review letters, 2017 - APS
We theoretically study the magnetic properties of pyrochlore iridate bilayer and trilayer thin
films grown along the [111] direction using a strong coupling approach. We find the ground …

Classical and quantum phases of the pyrochlore magnet with Heisenberg and Dzyaloshinskii-Moriya interactions

V Noculak, D Lozano-Gómez, J Oitmaa, RRP Singh… - Physical Review B, 2023 - APS
We investigate the ground state and critical temperature (T c) phase diagrams of the
classical and quantum S= 1 2 pyrochlore lattice with nearest-neighbor Heisenberg and …