Nonlinear spin waves in antiferromagnets with unixial magnetic anysotropy in a magnetic field
It was shown in this paper that nonlinear spin waves can propagate in antiferromagnets with uniaxial magnetic anisotropy in an external magnetic field. The nonlinear waves are characterized by simultaneous oscillations of great amplitude of polar and azimuth angles of antiferromagnetism vector. It m...
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| Дата: | 2007 |
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| Автор: | |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
НТК «Інститут монокристалів» НАН України
2007
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| Назва видання: | Functional Materials |
| Теми: | |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/136974 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Nonlinear spin waves in antiferromagnets with unixial magnetic anysotropy in a magnetic field / O.Yu. Gorobets // Functional Materials. — 2007. — Т. 14, № 4. — С. 521-535. — Бібліогр.: 17 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| id |
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irk-123456789-1369742018-06-17T03:11:43Z Nonlinear spin waves in antiferromagnets with unixial magnetic anysotropy in a magnetic field Gorobets, O.Yu. Modeling and simulation It was shown in this paper that nonlinear spin waves can propagate in antiferromagnets with uniaxial magnetic anisotropy in an external magnetic field. The nonlinear waves are characterized by simultaneous oscillations of great amplitude of polar and azimuth angles of antiferromagnetism vector. It means that nonlinear wave can propagate being the exact dynamic 3D solution of Landau-Lifshitz equations in antiferromagnet. The dispersion of polar and azimuth angle oscillations are found for antiferromagnetism vector. In particular, the dispersion for oscillation of azimuth angle in a long wavelength approximation coinsides with known spin wave dispersion in antiferromagnet when the polar angle is constant. Besides, the new type of spin waves obtained in this work is characterized by possibility to form front structure at the wide class of 2D harmonic functions, possibility of two-frequency and amplitude modulation. 2007 Article Nonlinear spin waves in antiferromagnets with unixial magnetic anysotropy in a magnetic field / O.Yu. Gorobets // Functional Materials. — 2007. — Т. 14, № 4. — С. 521-535. — Бібліогр.: 17 назв. — англ. 1027-5495 http://dspace.nbuv.gov.ua/handle/123456789/136974 en Functional Materials НТК «Інститут монокристалів» НАН України |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| language |
English |
| topic |
Modeling and simulation Modeling and simulation |
| spellingShingle |
Modeling and simulation Modeling and simulation Gorobets, O.Yu. Nonlinear spin waves in antiferromagnets with unixial magnetic anysotropy in a magnetic field Functional Materials |
| description |
It was shown in this paper that nonlinear spin waves can propagate in antiferromagnets with uniaxial magnetic anisotropy in an external magnetic field. The nonlinear waves are characterized by simultaneous oscillations of great amplitude of polar and azimuth angles of antiferromagnetism vector. It means that nonlinear wave can propagate being the exact dynamic 3D solution of Landau-Lifshitz equations in antiferromagnet. The dispersion of polar and azimuth angle oscillations are found for antiferromagnetism vector. In particular, the dispersion for oscillation of azimuth angle in a long wavelength approximation coinsides with known spin wave dispersion in antiferromagnet when the polar angle is constant. Besides, the new type of spin waves obtained in this work is characterized by possibility to form front structure at the wide class of 2D harmonic functions, possibility of two-frequency and amplitude modulation. |
| format |
Article |
| author |
Gorobets, O.Yu. |
| author_facet |
Gorobets, O.Yu. |
| author_sort |
Gorobets, O.Yu. |
| title |
Nonlinear spin waves in antiferromagnets with unixial magnetic anysotropy in a magnetic field |
| title_short |
Nonlinear spin waves in antiferromagnets with unixial magnetic anysotropy in a magnetic field |
| title_full |
Nonlinear spin waves in antiferromagnets with unixial magnetic anysotropy in a magnetic field |
| title_fullStr |
Nonlinear spin waves in antiferromagnets with unixial magnetic anysotropy in a magnetic field |
| title_full_unstemmed |
Nonlinear spin waves in antiferromagnets with unixial magnetic anysotropy in a magnetic field |
| title_sort |
nonlinear spin waves in antiferromagnets with unixial magnetic anysotropy in a magnetic field |
| publisher |
НТК «Інститут монокристалів» НАН України |
| publishDate |
2007 |
| topic_facet |
Modeling and simulation |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/136974 |
| citation_txt |
Nonlinear spin waves in antiferromagnets with unixial magnetic anysotropy in a magnetic field / O.Yu. Gorobets // Functional Materials. — 2007. — Т. 14, № 4. — С. 521-535. — Бібліогр.: 17 назв. — англ. |
| series |
Functional Materials |
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