{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T20:12:07Z","timestamp":1790021527396,"version":"4.0.1"},"reference-count":92,"publisher":"American Association for the Advancement of Science (AAAS)","issue":"24","content-domain":{"domain":["www.science.org"],"crossmark-restriction":true},"short-container-title":["Sci. Adv."],"published-print":{"date-parts":[[2025,6,13]]},"abstract":"<jats:p>\n            In magnetic pyrochlore materials, the interplay of spin-orbit coupling, electronic correlations, and geometrical frustration gives rise to exotic quantum phases, including topological semimetals and spin ice. While these phases have been observed in isolation, the interface-driven phenomena emerging from their interaction have never been realized previously. Here, we report on the discovery of interfacial electronic anisotropy and rotational symmetry breaking at a heterostructure consisting of the Weyl semimetal Eu\n            <jats:sub>2<\/jats:sub>\n            Ir\n            <jats:sub>2<\/jats:sub>\n            O\n            <jats:sub>7<\/jats:sub>\n            and spin ice Dy\n            <jats:sub>2<\/jats:sub>\n            Ti\n            <jats:sub>2<\/jats:sub>\n            O\n            <jats:sub>7<\/jats:sub>\n            . Subjected to magnetic fields, we unveil a sixfold anisotropic transport response that is theoretically accounted by a Kondo-coupled heterointerface, where the spin ice\u2019s field-tuned magnetism induces electron scattering in the Weyl semimetal\u2019s topological Fermi-arc states. Furthermore, at elevated magnetic fields, we reveal a twofold anisotropic response indicative of the emergence of a symmetry-broken many-body state. This discovery showcases the potential of pyrochlore frustrated magnet\/topological semimetal heterostructures in search of emergent interfacial phenomena.\n          <\/jats:p>","DOI":"10.1126\/sciadv.adr6202","type":"journal-article","created":{"date-parts":[[2025,6,13]],"date-time":"2025-06-13T17:58:28Z","timestamp":1749837508000},"update-policy":"https:\/\/doi.org\/10.34133\/aaas_crossmark","source":"Crossref","is-referenced-by-count":4,"title":["Electronic anisotropy and rotational symmetry breaking at a Weyl semimetal\/spin ice interface"],"prefix":"10.1126","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7551-4650","authenticated-orcid":true,"given":"Tsung-Chi","family":"Wu","sequence":"first","affiliation":[{"name":"Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08854, 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