Nonequilibrium magnons : theory, experiment, and applications /: theory, experiment, and applications. ([2013])

• Record Type: Book
• Further Information: Note: Vladimir L. Safonov.
• Other Names: Safonov, Vladimir, 1955-
• Contents: 1 Harmonic Oscillators and the Universal Language of Science; 1.1 Harmonic Oscillator; 1.1.1 Complex Canonical Variables; 1.2 Classical Rotation; 1.2.1 Classical Spin and Magnetic Resonance; 1.3 Collective Variables and Harmonic Oscillators in k-space; 1.3.1 Chain of Masses and Springs; 1.3.2 Chain of Magnetic Particles; 1.4 Discussion; 2 Magnons in Ferromagnets and Antiferromagnets; 2.1 Phenomenological Description; 2.1.1 Magnons in a Ferromagnet; 2.1.1.1 Holstein-Primakoff Transformation. 2.1.1.2 The Spectrum of Magnons; 2.2 Microscopic Modeling; 2.2.1 Magnons in a Two-Sublattice Antiferromagnet; 2.2.1.1 Hamiltonian; 2.2.1.2 Spectrum of Magnons; 2.2.2 Magnon-Magnon Interactions; 2.3 Nuclear Magnons; 2.4 Magnetoelastic Waves, Quasi Phonons; 2.5 Discussion; 3 Relaxation of Magnons; 3.1 Master Equation; 3.2 Relaxation of Bose Quasi Particles; 3.2.1 Relaxation Process of Harmonic Oscillators; 3.2.2 Magnon-Electron Scattering; 3.3 Relaxation via an Intermediate Damped Dynamic System; 3.4 Ferromagnetic Resonance Linewidth; 3.5 Magnons and Macroscopic Dynamic Equation. 3.5.1 Linearized Landau-Lifshitz Equation; 3.6 Relaxation of Coupled Oscillations; 3.6.1 Example 1: Nuclear Magnons; 3.6.2 Example 2: Magnetoelastic Oscillations; 3.7 Discussion; 4 Microwave Pumping of Magnons; 4.1 Linear Theory; 4.1.1 Ferromagnetic Resonance; 4.1.2 Threshold of Parametric Resonance; 4.2 Parametric Resonance in a Resonator Cavity; 4.3 Nonlinear SR Theory; 4.4 Experimental Techniques; 4.5 Experimental Results; 4.5.1 Equivalent Circuit; 4.5.2 SR Theory and Experiment; 4.5.2.1 Modulation Response; 4.6 Discussion; 5 Thermodynamic Description of Strongly Excited Magnon System. 5.1 Principal Equations; 5.1.1 Hamiltonian; 5.1.2 Unitary Transformation; 5.1.3 Bogoliubov Transformation; 5.1.4 Effective Temperature Teff = 0; 5.1.5 Effective Temperature Teff =8 L 0; 5.1.5.1 Maximum of Entropy; 5.2 Exact Solutions; 5.2.1 The Effective Temperature; 5.2.1.1 Instantaneous Switching; 5.2.1.2 Adiabatic Switching; 5.2.1.3 Thermodynamic Stability; 5.2.2 Collective Oscillations; 5.3 Magnon Pumping in a Resonator; 5.4 Discussion; 6 Bose-Einstein Condensation of Quasi Equilibrium Magnons; 6.1 Bose Gas of Magnons; 6.1.1 Ideal Bose Gas; 6.1.2 Mathematical Analogy with BEC. 6.2 Quasi Equilibrium Magnons; 6.2.1 Ideal Gas of Quasi Equilibrium Magnons; 6.2.2 Example: Isotropic Spectrum; 6.2.3 Kinetic Equations; 6.2.3.1 The Case of Teff = T; 6.2.4 Magnon System with Bose Condensate; 6.2.5 Magnetodipole Emission of Condensate; 6.3 Fröhlich Coherence; 6.4 Discussion; 7 Magnons in an Ultrathin Film; 7.1 Model; 7.1.1 Magnetic Energy; 7.2 Magnons; 7.2.1 Magnon Interactions; 7.2.2 Effective Four-Magnon Interactions; 7.3 Example; 7.4 Discussion; 8 Collective Magnetic Dynamics in Nanoparticles; 8.1 Long-Lived States in a Cluster of Coupled Nuclear Spins; 8.2 Electronic Spins; 8.3 Spin-Echo Logic Operations.
• Publisher Details: Weinheim, Germany : Wiley-VCH Verlag GmbH & Co. KGaA
• Publication Date: 2013
• Extent: 1 online resource (xiii, 190 pages), illustrations
• Subjects: 539.721; Magnons; SCIENCE -- Physics -- Nuclear; Magnons; Electronic books
• Languages: English
• ISBNs: 9783527670536; 9783527670567; 3527670564; 9783527670550; 3527670556
• Related ISBNs: 352767053X; 9783527411177; 3527411178
• Notes: Note: Includes bibliographical references and index.; Note: Print version record.
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.