Computation of Resonant Modes and Frequencies for Saturated Ferromagnetic Nanoparticles
The free oscillations of a micromagnetic system around a saturated equilibrium are considered. Magnetization dynamics is described by the Landau-Lifshitz-Gilbert (LLG) equation. The LLG equation is linearized around the equilibrium and put in the form of a generalized eigenvalue problem for suitable...
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| Veröffentlicht in: | IEEE transactions on magnetics 2008-11, Vol.44 (11), p.3141-3144 |
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| container_issue | 11 |
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| container_title | IEEE transactions on magnetics |
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| creator | d'Aquino, M. Serpico, C. Miano, G. Bertotti, G. |
| description | The free oscillations of a micromagnetic system around a saturated equilibrium are considered. Magnetization dynamics is described by the Landau-Lifshitz-Gilbert (LLG) equation. The LLG equation is linearized around the equilibrium and put in the form of a generalized eigenvalue problem for suitable self-adjoint operators connected to the micromagnetic effective field. The spectral properties of this problem are studied. The spatial discretization of the problem is analyzed and numerical computation of the resonant oscillations for a magnetic thin-film are performed. |
| doi_str_mv | 10.1109/TMAG.2008.2001602 |
| format | Article |
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Magnetization dynamics is described by the Landau-Lifshitz-Gilbert (LLG) equation. The LLG equation is linearized around the equilibrium and put in the form of a generalized eigenvalue problem for suitable self-adjoint operators connected to the micromagnetic effective field. The spectral properties of this problem are studied. The spatial discretization of the problem is analyzed and numerical computation of the resonant oscillations for a magnetic thin-film are performed.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/TMAG.2008.2001602</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Cross-disciplinary physics: materials science; rheology ; Discretization ; Dynamical systems ; Dynamics ; Eigenvalues ; Eigenvalues and eigenfunctions ; Equations ; Exact sciences and technology ; Ferromagnetic resonance ; generalized eigenvalue problem ; Magnetic analysis ; Magnetic films ; Magnetic resonance ; Magnetism ; Magnetization ; Materials science ; Mathematical analysis ; Micromagnetics ; Nanoparticles ; normal modes ; Oscillations ; Other topics in materials science ; Performance analysis ; Physics ; resonant frequencies ; Resonant frequency ; Spectra</subject><ispartof>IEEE transactions on magnetics, 2008-11, Vol.44 (11), p.3141-3144</ispartof><rights>2009 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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Magnetization dynamics is described by the Landau-Lifshitz-Gilbert (LLG) equation. The LLG equation is linearized around the equilibrium and put in the form of a generalized eigenvalue problem for suitable self-adjoint operators connected to the micromagnetic effective field. The spectral properties of this problem are studied. The spatial discretization of the problem is analyzed and numerical computation of the resonant oscillations for a magnetic thin-film are performed.</description><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Discretization</subject><subject>Dynamical systems</subject><subject>Dynamics</subject><subject>Eigenvalues</subject><subject>Eigenvalues and eigenfunctions</subject><subject>Equations</subject><subject>Exact sciences and technology</subject><subject>Ferromagnetic resonance</subject><subject>generalized eigenvalue problem</subject><subject>Magnetic analysis</subject><subject>Magnetic films</subject><subject>Magnetic resonance</subject><subject>Magnetism</subject><subject>Magnetization</subject><subject>Materials science</subject><subject>Mathematical analysis</subject><subject>Micromagnetics</subject><subject>Nanoparticles</subject><subject>normal modes</subject><subject>Oscillations</subject><subject>Other topics in materials science</subject><subject>Performance analysis</subject><subject>Physics</subject><subject>resonant frequencies</subject><subject>Resonant frequency</subject><subject>Spectra</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkE1LJDEQhoOssLO6P2Dx0giLp9ZUOp3uHGXQUXAU3BGPoSZdkZaeZDbpPvjvzTCDBy_1-VTx8jL2B_glANdXq-X14lJw3u4CKC6O2Ay0hJJzpX-wWR62pZZK_mS_UnrPrayBz9jrPGy204hjH3wRXPFMKXj0Y7EMHaUCfVfcRvo_kbd97l2IxT8cp4gj5Q3FGDb45mnsbfGIPmwx5nKgdMqOHQ6Jfh_yCXu5vVnN78qHp8X9_PqhtFXbjKXUBLbrrOBNJRxpAOeg5qjXoERnVYuiRoGCr22DyJ3EXEm3rqRVTatddcIu9n-3MWSVaTSbPlkaBvQUpmQ0SFXXmleZPP9Gvocp-izOtEpAo-tGZAj2kI0hpUjObGO_wfhhgJud0WZntNkZbQ5G55u_h8eYLA4uYvYqfR0K4BKyisyd7bmeiL7WUjWybqH6BLL4hxE</recordid><startdate>20081101</startdate><enddate>20081101</enddate><creator>d'Aquino, M.</creator><creator>Serpico, C.</creator><creator>Miano, G.</creator><creator>Bertotti, G.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Magnetization dynamics is described by the Landau-Lifshitz-Gilbert (LLG) equation. The LLG equation is linearized around the equilibrium and put in the form of a generalized eigenvalue problem for suitable self-adjoint operators connected to the micromagnetic effective field. The spectral properties of this problem are studied. The spatial discretization of the problem is analyzed and numerical computation of the resonant oscillations for a magnetic thin-film are performed.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TMAG.2008.2001602</doi><tpages>4</tpages></addata></record> |
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| subjects | Cross-disciplinary physics: materials science rheology Discretization Dynamical systems Dynamics Eigenvalues Eigenvalues and eigenfunctions Equations Exact sciences and technology Ferromagnetic resonance generalized eigenvalue problem Magnetic analysis Magnetic films Magnetic resonance Magnetism Magnetization Materials science Mathematical analysis Micromagnetics Nanoparticles normal modes Oscillations Other topics in materials science Performance analysis Physics resonant frequencies Resonant frequency Spectra |
| title | Computation of Resonant Modes and Frequencies for Saturated Ferromagnetic Nanoparticles |
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