{"title":"自旋传递扭矩驱动的惯性自旋波的时空衰减","authors":"Peng-Bin He, Mikhail Cherkasskii","doi":"arxiv-2409.10457","DOIUrl":null,"url":null,"abstract":"Magnetic damping induces the temporal and spatial decay of spin waves,\ncharacterized by the damping factor and attenuating length, both of which can\nbe measured to determine various magnetic and spin-transport parameters. By\ninvestigating the dispersion and dissipation of inertial spin waves driven by\nspin-transfer torques, we find that magnetic inertia modifies the dependence of\nthe damping factor and attenuating length on the electric current and spin wave\nfrequency. This provides a valuable method for probing the inertial relaxation\ntime.","PeriodicalId":501137,"journal":{"name":"arXiv - PHYS - Mesoscale and Nanoscale Physics","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Temporal and spatial attenuation of inertial spin waves driven by spin-transfer torques\",\"authors\":\"Peng-Bin He, Mikhail Cherkasskii\",\"doi\":\"arxiv-2409.10457\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Magnetic damping induces the temporal and spatial decay of spin waves,\\ncharacterized by the damping factor and attenuating length, both of which can\\nbe measured to determine various magnetic and spin-transport parameters. By\\ninvestigating the dispersion and dissipation of inertial spin waves driven by\\nspin-transfer torques, we find that magnetic inertia modifies the dependence of\\nthe damping factor and attenuating length on the electric current and spin wave\\nfrequency. This provides a valuable method for probing the inertial relaxation\\ntime.\",\"PeriodicalId\":501137,\"journal\":{\"name\":\"arXiv - PHYS - Mesoscale and Nanoscale Physics\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-09-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"arXiv - PHYS - Mesoscale and Nanoscale Physics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/arxiv-2409.10457\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"arXiv - PHYS - Mesoscale and Nanoscale Physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/arxiv-2409.10457","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Temporal and spatial attenuation of inertial spin waves driven by spin-transfer torques
Magnetic damping induces the temporal and spatial decay of spin waves,
characterized by the damping factor and attenuating length, both of which can
be measured to determine various magnetic and spin-transport parameters. By
investigating the dispersion and dissipation of inertial spin waves driven by
spin-transfer torques, we find that magnetic inertia modifies the dependence of
the damping factor and attenuating length on the electric current and spin wave
frequency. This provides a valuable method for probing the inertial relaxation
time.
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