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Adv."],"published-print":{"date-parts":[[2026,9,18]]},"abstract":"<jats:p>Emergent electrodynamics arising from spatially and temporally varying magnetic textures provides a framework for spin control in quantum materials. While this principle is established for ferromagnetic and antiferromagnetic textures, its consequences for altermagnets\u2014magnetic orders with vanishing net magnetization but finite spin splitting\u2014remain largely unexplored. In this work, we develop an effective low-energy theory of itinerant electrons coupled to smoothly varying altermagnetic spin textures. In the adiabatic regime, we show that altermagnetic textures generate additional emergent electromagnetic fields and quantum-geometric effects that are absent in conventional magnetic systems. These effects include emergent Zeeman fields that encode the structure of the altermagnetic order parameter, enabling local spin manipulation and a way to distinguish different altermagnetic orders. Moreover, we demonstrate a quantum metric\u2013induced, spin-dependent electron lensing effect that provides a mechanism for spin-dependent transmissions and discuss the local admixture of effective odd-parity magnetic components. Our results suggest that textured altermagnets could serve as a versatile resource for spintronics functionalities and a probe of altermagnetism.<\/jats:p>","DOI":"10.1126\/sciadv.aeh1411","type":"journal-article","created":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T18:04:04Z","timestamp":1789754644000},"update-policy":"https:\/\/doi.org\/10.34133\/aaas_crossmark","source":"Crossref","is-referenced-by-count":0,"title":["Altermagnetic spin textures: Emergent electrodynamics, quantum geometry, and probes"],"prefix":"10.1126","volume":"12","author":[{"given":"Constantin","family":"Schrade","sequence":"first","affiliation":[{"name":"Hearne Institute of Theoretical Physics, Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9439-5159","authenticated-orcid":true,"given":"Mathias S.","family":"Scheurer","sequence":"additional","affiliation":[{"name":"Institute for Theoretical Physics III, University of Stuttgart, 70550 Stuttgart, Germany."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"221","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.1145799"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1038\/nnano.2013.29"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.132.096602"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.110.035130"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.110.115114"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.111.125122"},{"key":"e_1_3_2_8_2","unstructured":"D. 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Fu Topological superconductivity with emergent vortex lattice in twisted semiconductors. arXiv:2602.15106 [cond-mat.supr-con] (2026)."},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.1088\/0022-3719\/20\/7\/003"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.93.096806"},{"key":"e_1_3_2_11_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.102.067201"},{"key":"e_1_3_2_12_2","doi-asserted-by":"publisher","DOI":"10.1038\/nature07879"},{"key":"e_1_3_2_13_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.98.246601"},{"key":"e_1_3_2_14_2","doi-asserted-by":"publisher","DOI":"10.1038\/nphys2231"},{"key":"e_1_3_2_15_2","doi-asserted-by":"publisher","DOI":"10.1103\/qxnw-8q4y"},{"key":"e_1_3_2_16_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.86.245118"},{"key":"e_1_3_2_17_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.91.144421"},{"key":"e_1_3_2_18_2","doi-asserted-by":"publisher","DOI":"10.7566\/JPSJ.84.033706"},{"key":"e_1_3_2_19_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.93.180408"},{"key":"e_1_3_2_20_2","doi-asserted-by":"publisher","DOI":"10.1103\/RevModPhys.91.035004"},{"key":"e_1_3_2_21_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.93.127204"},{"key":"e_1_3_2_22_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.100.226602"},{"key":"e_1_3_2_23_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.83.054428"},{"key":"e_1_3_2_24_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.106.107206"},{"key":"e_1_3_2_25_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.94.054409"},{"key":"e_1_3_2_26_2","doi-asserted-by":"publisher","DOI":"10.1103\/RevModPhys.76.323"},{"key":"e_1_3_2_27_2","doi-asserted-by":"publisher","DOI":"10.1103\/RevModPhys.90.015005"},{"key":"e_1_3_2_28_2","doi-asserted-by":"crossref","unstructured":"T. Jungwirth J. Sinova P. Wadley D. Kriegner H. Reichlova F. Krizek H. Ohno L. Smejkal Altermagnetic spintronics. arXiv:2508.09748 [cond-mat.mtrl-sci] (2025).","DOI":"10.1038\/s41567-026-03337-w"},{"key":"e_1_3_2_29_2","first-page":"040501","article-title":"Emerging research landscape of altermagnetism","volume":"12","author":"\u0160mejkal L.","year":"2022","unstructured":"L. \u0160mejkal, J. Sinova, T. Jungwirth, Emerging research landscape of altermagnetism. Phys. Rev. X 12, 040501 (2022).","journal-title":"Phys. Rev. X"},{"key":"e_1_3_2_30_2","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.4c14503"},{"key":"e_1_3_2_31_2","doi-asserted-by":"publisher","DOI":"10.3390\/magnetism5030017"},{"key":"e_1_3_2_32_2","first-page":"040002","article-title":"Editorial: Altermagnetism\u2014A new punch line of fundamental magnetism","volume":"12","author":"Mazin I.","year":"2022","unstructured":"I. Mazin, The PRX Editors, Editorial: Altermagnetism\u2014A new punch line of fundamental magnetism. 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