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Record Nr. |
UNINA9910777710603321 |
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Autore |
Bertotti Giorgio |
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Titolo |
Nonlinear magnetization dynamics in nanosystems [[electronic resource] /] / Giorgio Bertotti, Isaak D. Mayergoyz, Claudio Serpico |
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Pubbl/distr/stampa |
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Amsterdam ; ; Boston, : Elsevier, 2009 |
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ISBN |
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1-282-12078-6 |
9786612120787 |
0-08-091379-2 |
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Descrizione fisica |
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1 online resource (479 p.) |
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Collana |
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Elsevier series in electromagnetism |
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Classificazione |
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Altri autori (Persone) |
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MayergoyzI. D |
SerpicoClaudio |
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Disciplina |
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Soggetti |
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Magnetization |
Nanoelectromechanical systems |
Nonlinear systems |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references (p. 401-445) and index. |
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Nota di contenuto |
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Front cover; Half title page; Title page; Copyright page; Dedication; Table of Contents; Preface; Chapter 1. Introduction; Chapter 2. Basic Equations for Magnetization Dynamics; Landau--Lifshitz equation; Landau--Lifshitz--Gilbert equation; Other equations for the description of magnetization dynamics; Landau--Lifshitz--Gilbert equation in normalized form; Chapter 3. Spatially Uniform Magnetization Dynamics; Spatially Uniform Solutions of LLG--Maxwell Equations; Structural Aspects of Spatially Uniform Magnetization Dynamics; Generalized Magnetization Dynamics |
Analysis of Equilibrium Points of Magnetization DynamicsChapter 4. Precessional Magnetization Dynamics; Geometric Aspects of Precessional Dynamics; Analytical Study of Precessional Dynamics; Precessional Dynamics under Transverse Magnetic Field; Precessional Dynamics under Longitudinal Magnetic Field; Hamiltonian Structure of Precessional Dynamics; Chapter 5. Dissipative Magnetization Dynamics; Damping Switching in Uniaxial Media; Two-Time-Scale Formulation of LLG Dynamics and Averaging Technique; Magnetization Relaxation |
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under Zero Applied Magnetic Field |
Magnetization Relaxation under Applied Magnetic FieldsSelf-Oscillations and Poincaré--Melnikov Theory; Chapter 6. Magnetization Switching; Physical Mechanisms of Precessional Switching; Critical Fields for Precessional Switching; Field-Pulse Duration for Precessional Switching; Switching under Nonrectangular Field Pulses (Inverse-Problem Approach); Chapter 7. Magnetization Dynamics under Time-Harmonic Excitation; LLG Dynamics in the Presence of Rotational Invariance; Periodic Magnetization Modes; Quasi-Periodic Magnetization Modes; Bifurcation Diagrams |
Nonlinear Ferromagnetic Resonance, Foldover, and Switching PhenomenaMagnetization Dynamics under Deviations from Rotational Symmetry; Chapter 8. Spin-Waves and Parametric Instabilities; Linearized LLG Equation; Spin-Wave Perturbations; Stability Analysis; Spin-Wave Instabilities and Instability Diagrams; Spin-Wave Perturbations for Ultra-Thin Films; Chapter 9. Spin-Transfer-Driven Magnetization Dynamics; Spin-Transfer Modification of the LLG Equation; Stationary States; Self-Oscillations; Phase Portraits and Bifurcations; Stability Diagrams; Systems with Uniaxial Symmetry |
Chapter 10. Stochastic Magnetization DynamicsStochastic Landau--Lifshitz and Landau--Lifshitz--Gilbert Equations; Fokker--Planck Equation for Stochastic Magnetization Dynamics; Analysis of Magnetization Dynamics by using Stochastic Processes on Graphs; Stationary Distributions and Thermal Transitions; Stochastic Magnetization Dynamics in Uniaxial Systems; Autocorrelation Function and Power Spectral Density; Stochastic Magnetization Dynamics in Nonuniformly Magnetized Ferromagnets; Chapter 11. Numerical Techniques for Magnetization Dynamics Analysis; Mid-Point Finite-Difference Schemes |
Mid-Point Finite-Difference Schemes for Stochastic Magnetization Dynamics |
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Sommario/riassunto |
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As data transfer rates increase within the magnetic recording industry, improvements in device performance and reliability crucially depend on the thorough understanding on nonlinear magnetization dynamics at a sub-nanoscale level.This book offers a modern, stimulating approach to the subject of nonlinear magnetization dynamics by discussing important aspects such as the Landau-Lifshitz-Gilbert (LLG) equation, analytical solutions, and the connection between the general topological and structural aspects of dynamics.An exceptional research tool, providing an advanced understand |
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