{"title":"磁场存在下铁磁自旋波激发的修正版本","authors":"Shoichi Nagata, Shuji Ebisu, Satoshi Taniguchi","doi":"10.1016/0378-4363(88)90084-8","DOIUrl":null,"url":null,"abstract":"<div><p>In the presence of an applied magnetic field, an energy gap exists in the spin-wave dispersion relation. As a consequence, the temperature dependence of the magnetization for ferromagnets must differ from the simple Bloch <em>T</em><sup><span><math><mtext>3</mtext><mtext>2</mtext></math></span></sup> law. For the first time, the modification factors have been calculated systematically.</p></div>","PeriodicalId":101023,"journal":{"name":"Physica B+C","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1988-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-4363(88)90084-8","citationCount":"0","resultStr":"{\"title\":\"Modified version of ferromagnetic spin-wave excitations in the presence of a magnetic field\",\"authors\":\"Shoichi Nagata, Shuji Ebisu, Satoshi Taniguchi\",\"doi\":\"10.1016/0378-4363(88)90084-8\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>In the presence of an applied magnetic field, an energy gap exists in the spin-wave dispersion relation. As a consequence, the temperature dependence of the magnetization for ferromagnets must differ from the simple Bloch <em>T</em><sup><span><math><mtext>3</mtext><mtext>2</mtext></math></span></sup> law. For the first time, the modification factors have been calculated systematically.</p></div>\",\"PeriodicalId\":101023,\"journal\":{\"name\":\"Physica B+C\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1988-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0378-4363(88)90084-8\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Physica B+C\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0378436388900848\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physica B+C","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0378436388900848","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Modified version of ferromagnetic spin-wave excitations in the presence of a magnetic field
In the presence of an applied magnetic field, an energy gap exists in the spin-wave dispersion relation. As a consequence, the temperature dependence of the magnetization for ferromagnets must differ from the simple Bloch T law. For the first time, the modification factors have been calculated systematically.
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