Bhardwaj, AnishZhang, ShuYan, HanMoessner, RoderichNevidomskyy, Andriy H.Changlani, Hitesh J.2022-05-252022-05-252022Bhardwaj, Anish, Zhang, Shu, Yan, Han, et al.. "Sleuthing out exotic quantum spin liquidity in the pyrochlore magnet Ce2Zr2O7." <i>npj Quantum Materials,</i> 7, (2022) Springer Nature: https://doi.org/10.1038/s41535-022-00458-2.https://hdl.handle.net/1911/112423The search for quantum spin liquids—topological magnets with fractionalized excitations—has been a central theme in condensed matter and materials physics. Despite numerous theoretical proposals, connecting experiment with detailed theory exhibiting a robust quantum spin liquid has remained a central challenge. Here, focusing on the strongly spin-orbit coupled effective S = 1/2 pyrochlore magnet Ce2Zr2O7, we analyze recent thermodynamic and neutron-scattering experiments, to identify a microscopic effective Hamiltonian through a combination of finite temperature Lanczos, Monte Carlo, and analytical spin dynamics calculations. Its parameter values suggest the existence of an exotic phase, a π-flux U(1) quantum spin liquid. Intriguingly, the octupolar nature of the moments makes them less prone to be affected by magnetic disorder, while also hiding some otherwise characteristic signatures from neutrons, making this spin liquid arguably more stable than its more conventional counterparts.engThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.Journal articles41535-022-00458-2https://doi.org/10.1038/s41535-022-00458-2