{"paper":{"title":"Enhanced thermal Hall conductivity below 1 Kelvin in the pyrochlore magnet Yb$_2$Ti$_2$O$_7$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Max Hirschberger, N. Phuan Ong, Peter Czajka, S. M. Koohpayeh, Wudi Wang","submitted_at":"2019-03-02T01:27:47Z","abstract_excerpt":"In this letter, we report the gigantic thermal Hall effect $\\kappa_{xy}$ in the low-field correlated-paramagnetic state of the frustrated pyrochlore Yb$_2$Ti$_2$O$_7$. We observed a record magnitude for the thermal Hall angle in an insulator, $\\left|\\kappa_{xy}\\right|/\\kappa_{xx}\\sim 2\\,\\%$. The signal onsets at $T\\sim 3\\,$K and is severely weakened around the transition to canted ferromagnetic order at $T_\\text{CFM}=0.275\\,$K. Besides the large $\\kappa_{xy}>0$ of the fluctuating regime, a sign change towards negative $\\kappa_{xy}$ occurs at the lowest temperatures and in moderate field, where"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.00595","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}