{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,11]],"date-time":"2025-09-11T20:43:56Z","timestamp":1757623436371,"version":"3.44.0"},"reference-count":50,"publisher":"IOP Publishing","issue":"37","license":[{"start":{"date-parts":[[2025,9,9]],"date-time":"2025-09-09T00:00:00Z","timestamp":1757376000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/publishingsupport.iopscience.iop.org\/iop-standard\/v1"},{"start":{"date-parts":[[2025,9,9]],"date-time":"2025-09-09T00:00:00Z","timestamp":1757376000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"funder":[{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science","doi-asserted-by":"crossref","award":["21K18166"],"award-info":[{"award-number":["21K18166"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["J. Phys.: Condens. Matter"],"published-print":{"date-parts":[[2025,9,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>We present a theoretical framework elucidating the spin transport characteristics in combination with Baber-type momentum relaxation induced by electron\u2013hole collisions. Our framework incorporates momentum relaxation caused by lattice imperfections and spin relaxation mediated by nonmagnetic disorder coupled to the spin\u2013orbit interaction (SOI). The relaxation time approximation is used for solving the coupled Boltzmann equation (BE). Starting with the semiclassical BE, we systematically derive a system of coupled drift\u2013diffusion equations for electrons and holes. Analytical solutions to these coupled drift\u2013diffusion equations reveal the existence of two types of electron\u2013hole coupled spin modes, which exhibit distinct spin relaxation mechanisms, each driven by either Baber scattering or the SOI. Under specific conditions, these spin modes acquire a spatially oscillatory nature, with a damping length similar to the diffusion lengths of typical metals. In particular, when Baber scattering occurs without accompanying spin relaxation in the presence of other momentum and spin relaxation processes, a spatial oscillatory characteristic without damping is predicted for the anti-total spin current mode composed of electron and hole (electron in the hole band) spin currents arranged in an antisymmetric configuration.<\/jats:p>","DOI":"10.1088\/1361-648x\/adffd3","type":"journal-article","created":{"date-parts":[[2025,8,27]],"date-time":"2025-08-27T22:55:33Z","timestamp":1756335333000},"page":"375802","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Spin transport of compensated metals in combination with Baber-type momentum relaxation"],"prefix":"10.1088","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3642-3323","authenticated-orcid":true,"given":"Masamichi","family":"Sakai","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yukihiro","family":"Koinuma","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shigehiko","family":"Hasegawa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"266","published-online":{"date-parts":[[2025,9,9]]},"reference":[{"key":"cmadffd3bib1","doi-asserted-by":"publisher","first-page":"2463","DOI":"10.1103\/PhysRev.131.2463","type":"journal-article","volume":"131","author":"Fawcett","year":"1963","journal-title":"Phys. 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All rights, including for text and data mining, AI training, and similar technologies, are reserved.","name":"copyright_information","label":"Copyright Information"},{"value":"2025-06-26","name":"date_received","label":"Date Received","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2025-08-27","name":"date_accepted","label":"Date Accepted","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2025-09-09","name":"date_epub","label":"Online publication date","group":{"name":"publication_dates","label":"Publication dates"}}]}}