Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session P46: Complex Oxide Interfaces & Heterostructures -- Skyrmions & Novel Magnetism
2:30 PM–5:18 PM,
Wednesday, March 6, 2019
BCEC
Room: 212
Sponsoring
Units:
DMP GMAG
Chair: Marta Gibert, University of Geneva
Abstract: P46.00005 : Living on the edge: multiple phase competition and topological order in pyrochlore oxides*
3:42 PM–4:18 PM
Presenter:
Nicholas Shannon
(Okinawa Institute of Science and Technology)
Authors:
Nicholas Shannon
(Okinawa Institute of Science and Technology)
Han Yan
(Okinawa Institute of Science and Technology)
Owen Benton
(Condensed Matter Theory, RIKEN)
Ludovic Jaubert
(CNRS Bordeaux)
In this talk, we explore one particular avenue in this lively field, namely the multiple-phase competition which occurs in magnetic oxides with strong spin-orbit coupling. Considering Yb2Ti2O7, Er2Ti2O7 and Er2Sn2O7 as examples, we show how the seemingly diverse physics of these systems can be understood through a single unifying principle, namely the interplay between different competing forms of order [1]. We also explore how this conceptual framework can be used to "design" new forms of spin liquid, including phases which realise fracton topological order.
Finally, we pose the question, could different modes of growth give us access to pyrochlore oxides with even more exotic, or controlable, properties ?
[1] Han Yan, Owen Benton, L.D.C. Jaubert and Nic Shannon, Phys. Rev. B 95, 094422 (2017)
*This work was supported by the Theory of Quantum Matter Unit, of the Okinawa Institute of Science and Technology Graduate University.
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