Ya. Yu. Matyunina, O. A. Kosmachev, Yu. A. Fridman
{"title":"A Spin Nematic in a Strong Magnetic Field","authors":"Ya. Yu. Matyunina, O. A. Kosmachev, Yu. A. Fridman","doi":"10.1134/s0031918x24600064","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The possibility of existence of a spin nematic state under a strong magnetic field in a ferromagnetic substance, which exhibits large biquadratic exchange interaction and has a magnetic ion with spin <i>S</i> = 1, is investigated within the mean field approximation. The case of both isotropic and anisotropic ferromagnets beyond the Heisenberg model is studied. The transformation of the geometric projection of a spin nematic with respect to the magnetic field strength has been studied.</p>","PeriodicalId":20180,"journal":{"name":"Physics of Metals and Metallography","volume":"154 1","pages":""},"PeriodicalIF":1.1000,"publicationDate":"2024-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physics of Metals and Metallography","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1134/s0031918x24600064","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"METALLURGY & METALLURGICAL ENGINEERING","Score":null,"Total":0}
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Abstract
The possibility of existence of a spin nematic state under a strong magnetic field in a ferromagnetic substance, which exhibits large biquadratic exchange interaction and has a magnetic ion with spin S = 1, is investigated within the mean field approximation. The case of both isotropic and anisotropic ferromagnets beyond the Heisenberg model is studied. The transformation of the geometric projection of a spin nematic with respect to the magnetic field strength has been studied.
期刊介绍：
The Physics of Metals and Metallography (Fizika metallov i metallovedenie) was founded in 1955 by the USSR Academy of Sciences. Its scientific profile involves the theory of metals and metal alloys, their electrical and magnetic properties, as well as their structure, phase transformations, and principal mechanical properties. The journal also publishes scientific reviews and papers written by experts involved in fundamental, application, and technological studies. The annual volume of publications amounts to some 250 papers submitted from 100 leading national scientific institutions.
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