Spin Waves in an Arbitrary Ferromagnetic Nanosystem with a Translational Symmetry. Nanotube with a Round Cross-section. Nanotube with an Elliptic Cross-section
| Authors | V.V. Kulish |
| Affiliations | National Technical University of Ukraine “KPI”, 37, Peremogy prosp., 03056 Kyiv, Ukraine |
| Е-mail | kulish_volv@ukr.net |
| Issue | Volume 6, Year 2014, Number 2 |
| Dates | Received 25 March 2014; revised manuscript received 05 June 2013; published online 20 June 2014 |
| Citation | V.V. Kulish, J. Nano- Electron. Phys. 6 No 2, 02021 (2014) |
| DOI | |
| PACS Number(s) | 62.23.St, 75.30.Ds, 75.75. + a |
| Keywords | Spin waves, Nanomagnetism, Ferromagnetic nanotube, Ferromagnetic nanowire, Dipole-exchange theory. |
| Annotation | In the paper, spin waves in an arbitrary translational-symmetry composite nanosystem containing an “easy axis” ferromagnet are studied. For such a system, equation for the magnetic potential in magnetostatic approximation is obtained taking into account the magnetic dipole-dipole interaction, the exchange interactionб and the anisotropy effects. The theory that allows to obtain the dispersion relation and the transverse wavenumber spectrum for a particular system of this type is proposed; dispersion relation for a system with small transverse size is obtained. The dispersion relation and the transverse wavenumber spectrum are written for nanotubes with round and elliptic cross-sections. |
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List of References |
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