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Books on the topic 'Magnetic systems dynamics'

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Published: 4 June 2021
Last updated: 1 February 2022

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1

Rabinovich, B. I. Vortex processes and solid body dynamics: The dynamic problems of spacecrafts and magnetic levitation systems. Dordrecht: Kluwer Academic, 1994.

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2

H, Brummell Nicholas, and International Astronomical Union, eds. Astrophysical dynamics: From stars to galaxies : proceedings of the 271st Symposium of the International Astronomical Union, held in Nice, France, June 21-25, 2010. Cambridge, U.K. ; New York: Cambridge University Press, 2011.

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3

Skjeltorp, Arne T. Dynamical Properties of Unconventional Magnetic Systems. Dordrecht: Springer Netherlands, 1998.

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4

Skjeltorp, Arne T., and David Sherrington, eds. Dynamical Properties of Unconventional Magnetic Systems. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-4988-4.

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5

Peter, Entel, and Wolf Dietrich E, eds. International Symposium on Structure and Dynamics of Heterogeneous Systems: From atoms, molecules and clusters in complex environment to thin films and multilayers : Duisburg, Germany, 24-26 February 1999. Singapore: World Scientific, 2000.

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6

Suzuki, Sei. Quantum Ising Phases and Transitions in Transverse Ising Models. 2nd ed. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013.

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7

Jonason, Kristian. Dynamics of Complex Magnetic Systems. Uppsala Universitet, 1999.

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8

Martínez-Pérez, M. J., R. Kleiner, and D. Koelle. NanoSQUIDs Applied to the Investigation of Small Magnetic Systems. Edited by A. V. Narlikar. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780198738169.013.19.

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This article discusses the use of nanoSQUIDs for investigating small magnetic systems. It begins with an overview of the basics of superconducting quantum interference devices, focusing on how a dc SQUID operates and the use of resistively and capacitively shunted junction model to describe the phase dynamics of Josephson junctions (JJs). It then considers the motivation for using nanoSQUIDs, along with the importance of their size and geometry. It also evaluates micro- and nanoSQUIDs made of various types of JJs including nanoSQUIDs based on sandwich-like junctions, constriction-like junctions, and proximized structures. After reviewing different nanoSQUID readout methods that can be used to directly sense the stray magnetic field created by a nanoscale magnetic sample, the article concludes by highlighting some of the practical constraints and challenges encountered in using nanoSQUID technology, including particle positioning with respect to the sensor’s surface.
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9

Rabinovich, B., A. I. Lebedev, and A. I. Mytarev. Vortex Processes and Solid Body Dynamics: The Dynamic Problems of Spacecrafts and Magnetic Levitation Systems (Fluid Mechanics and Its Applications). Springer, 2012.

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10

Eriksson, Olle, Anders Bergman, Lars Bergqvist, and Johan Hellsvik. Atomistic Spin Dynamics. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198788669.001.0001.

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The purpose of this book is to provide a theoretical foundation and an understanding of atomistic spin-dynamics, and to give examples of where the atomistic Landau-Lifshitz-Gilbert equation can and should be used. The contents involve a description of density functional theory both from a fundamental viewpoint as well as a practical one, with several examples of how this theory can be used for the evaluation of ground state properties like spin and orbital moments, magnetic form-factors, magnetic anisotropy, Heisenberg exchange parameters, and the Gilbert damping parameter. This book also outlines how interatomic exchange interactions are relevant for the effective field used in the temporal evolution of atomistic spins. The equation of motion for atomistic spin-dynamics is derived starting from the quantum mechanical equation of motion of the spin-operator. It is shown that this lead to the atomistic Landau-Lifshitz-Gilbert equation, provided a Born-Oppenheimer-like approximation is made, where the motion of atomic spins is considered slower than that of the electrons. It is also described how finite temperature effects may enter the theory of atomistic spin-dynamics, via Langevin dynamics. Details of the practical implementation of the resulting stochastic differential equation are provided, and several examples illustrating the accuracy and importance of this method are given. Examples are given of how atomistic spin-dynamics reproduce experimental data of magnon dispersion of bulk and thin-film systems, the damping parameter, the formation of skyrmionic states, all-thermal switching motion, and ultrafast magnetization measurements.
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11

Eriksson, Olle, Anders Bergman, Lars Bergqvist, and Johan Hellsvik. Ferromagnetic Resonance. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198788669.003.0008.

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In the previous chapters we covered theoretical aspects of magnetism and magnetization dynamics, as well as practical aspects of implementation of the SLL equation in efficient softwares. In this chapter we focus on the most natural and frequently used experimental method to study magnetization dynamics, namely ferromagnetic resonance (FMR). This experimental technique has evolved into a powerful experimental technique for studies of magnetization dynamics of materials. It is, by far, the most common method for extracting damping parameters in materials, and is also a reliable technique for estimating precession frequencies of magnetic systems, leading to detection of magnetic g-factor, magnetic anisotropy and saturation magnetism.
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12

Eriksson, Olle, Anders Bergman, Lars Bergqvist, and Johan Hellsvik. The Atomistic Spin Dynamics Equation of Motion. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198788669.003.0004.

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From the information obtained in DFT, in particular the magnetic moments and the Heisenberg exchange parameters, one has the possibility to make a connection to atomistic spin-dynamics. In this chapter the essential features of this connection is described. It is also discussed under what length and time-scales that this approach is a relevant approximation. The master equation of atomistic spin-dynamics is derived, and discussed in detail. In addition we give examples of how this equation describes the magnetization dynamics of a few model systems.
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13

"Magnetotail particle dynamics and transport": Final report for NAGW-1176. [Washington, DC: National Aeronautics and Space Administration, 1995.

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14

United States. National Aeronautics and Space Administration., ed. "Magnetotail particle dynamics and transport": Final report for NAGW-1176. [Washington, DC: National Aeronautics and Space Administration, 1995.

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15

Glazov, M. M. Electron & Nuclear Spin Dynamics in Semiconductor Nanostructures. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198807308.001.0001.

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In recent years, the physics community has experienced a revival of interest in spin effects in solid state systems. On one hand, solid state systems, particularly semicon- ductors and semiconductor nanosystems, allow one to perform benchtop studies of quantum and relativistic phenomena. On the other hand, interest is supported by the prospects of realizing spin-based electronics where the electron or nuclear spins can play a role of quantum or classical information carriers. This book aims at rather detailed presentation of multifaceted physics of interacting electron and nuclear spins in semiconductors and, particularly, in semiconductor-based low-dimensional structures. The hyperfine interaction of the charge carrier and nuclear spins increases in nanosystems compared with bulk materials due to localization of electrons and holes and results in the spin exchange between these two systems. It gives rise to beautiful and complex physics occurring in the manybody and nonlinear system of electrons and nuclei in semiconductor nanosystems. As a result, an understanding of the intertwined spin systems of electrons and nuclei is crucial for in-depth studying and control of spin phenomena in semiconductors. The book addresses a number of the most prominent effects taking place in semiconductor nanosystems including hyperfine interaction, nuclear magnetic resonance, dynamical nuclear polarization, spin-Faraday and -Kerr effects, processes of electron spin decoherence and relaxation, effects of electron spin precession mode-locking and frequency focusing, as well as fluctuations of electron and nuclear spins.
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16

Entel, Peter, Dietrich E. Wolf, and International Symposium on Structure And. Structure and Dynamics of Heterogeneous Systems: From Atoms, Molecules and Clusters in Complex Environment to Thin Films and Multilayers. World Scientific Publishing Company, 2000.

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17

Morawetz, Klaus. Interacting Systems far from Equilibrium. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198797241.001.0001.

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In quantum statistics based on many-body Green’s functions, the effective medium is represented by the selfenergy. This book aims to discuss the selfenergy from this point of view. The knowledge of the exact selfenergy is equivalent to the knowledge of the exact correlation function from which one can evaluate any single-particle observable. Complete interpretations of the selfenergy are as rich as the properties of the many-body systems. It will be shown that classical features are helpful to understand the selfenergy, but in many cases we have to include additional aspects describing the internal dynamics of the interaction. The inductive presentation introduces the concept of Ludwig Boltzmann to describe correlations by the scattering of many particles from elementary principles up to refined approximations of many-body quantum systems. The ultimate goal is to contribute to the understanding of the time-dependent formation of correlations. Within this book an up-to-date most simple formalism of nonequilibrium Green’s functions is presented to cover different applications ranging from solid state physics (impurity scattering, semiconductor, superconductivity, Bose–Einstein condensation, spin-orbit coupled systems), plasma physics (screening, transport in magnetic fields), cold atoms in optical lattices up to nuclear reactions (heavy-ion collisions). Both possibilities are provided, to learn the quantum kinetic theory in terms of Green’s functions from the basics using experiences with phenomena, and experienced researchers can find a framework to develop and to apply the quantum many-body theory straight to versatile phenomena.
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18

Antos, R., and Y. Otani. The dynamics of magnetic vortices and skyrmions. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198787075.003.0022.

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This chapter argues that control of magnetic domains and domain wall structures is one of the most important issues from the viewpoint of both applied and basic research in magnetism. Its discussion is however limited to static and dynamic properties of magnetic vortex structures. It has been revealed both theoretically and experimentally that for particular ranges of dimensions of cylindrical and other magnetic elements, a curling in-plane spin configuration is energetically favored, with a small region of the out-of-plane magnetization appearing at the core of the vortex. Such a system, which is sometimes referred to as a magnetic soliton, is characterized by two binary properties: A chirality and a polarity, each of which suggests an independent bit of information in future high-density nonvolatile recording media.
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19

A, Skjeltorp, Sherrington D. C, North Atlantic Treaty Organization. Scientific Affairs Division., and NATO Advanced Study Institute on Dynamical Properties of Unconventional Magnetic Systems (1997 : Geilo, Norway), eds. Dynamical properties of unconventional magnetic systems. Dordrecht: Kluwer Academic Press, 1998.

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20

United States. National Aeronautics and Space Administration., ed. Dynamics and control of a five degree-of-freedom magnetic suspension system. Norfolk, Va: Old Dominion University Research Foundation, 1992.

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21

Enoki, Toshiaki, Morinobu Endo, and Masatsugu Suzuki. Graphite Intercalation Compounds and Applications. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195128277.001.0001.

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Graphite intercalation compounds are a new class of electronic materials that are classified as graphite-based host guest systems. They have specific structural features based on the alternating stacking of graphite and guest intercalate sheets. The electronic structures show two-dimensional metallic properties with a large variety of features including superconductivity. They are also interesting from the point of two-dimensional magnetic systems. This book presents the synthesis, crystal structures, phase transitions, lattice dynamics, electronic structures, electron transport properties, magnetic properties, surface phenomena, and applications of graphite intercalation compounds. The applications covered include batteries, highly conductive graphite fibers, exfoliated graphite and intercalated fullerenes and nanotubes.
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22

P, Guo W., Dryer Murray, and United States. National Aeronautics and Space Administration., eds. Dynamical evolution of a coronal streamer-flux rope system. [Washington, DC: National Aeronautics and Space Administration, 1996.

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23

Dynamical evolution of a coronal streamer-flux rope system. [Washington, DC: National Aeronautics and Space Administration, 1996.

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24

Didier, Dominique, and Osman Ratib. Dynamic Cardiovascular Mri: Principles and Practical Examples. Thieme Medical Publishers, 2003.

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25

Morawetz, Klaus. Kinetic Theory of Systems with SU(2) Structure. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198797241.003.0021.

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Systems with spin-orbit coupling and magnetic fields exhibit a SU(2) structure. Large classes of materials and couplings can be written into an effective spin-orbit coupled Hamiltonian with Pauli structure. Appropriate kinetic equations are derived keeping the quantum spinor structure. It results in coupled kinetic equations of scalar and vector distributions. The spin-orbit coupling, the magnetic field and the vector part of the selfenergy can be written in terms of an effective Zeeman field which couples both distributions. The currents and linear response are derived and the anomalous parts due to the coupling of the occurring band splitting are discussed. The response in magnetic fields reveals subtle retardation effects from which the classical and quantum Hall effect result as well as anomalous Hall effects. As application the dynamical conductivity of grapheme is successfully calculated and compared to the experiments.
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26

Glazov, M. M. Dynamical Nuclear Polarization. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198807308.003.0005.

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The transfer of nonequilibrium spin polarization between the electron and nuclear subsystems is studied in detail. Usually, a thermal orientation of nuclei in magnetic field is negligible due to their small magnetic moments, but if electron spins are optically oriented, efficient nuclear spin polarization can occur. The microscopic approach to the dynamical nuclear polarization effect based on the kinetic equation method, along with a phenomenological but very powerful description of dynamical nuclear polarization in terms of the nuclear spin temperature concept is given. In this way, one can account for the interaction between neighbouring nuclei without solving a complex many-body problem. The hyperfine interaction also induces the feedback of polarized nuclei on the electron spin system giving rise to a number of nonlinear effects: bistability of nuclear spin polarization and anomalous Hanle effect, dragging and locking of optical resonances in quantum dots. Theory is illustrated by experimental data on dynamical nuclear polarization.
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27

T, Flowers George, Trent Victor S, and United States. National Aeronautics and Space Administration., eds. Dynamic modelling and response characteristics of a magnetic bearing rotor system including auxiliary bearings. [Washington, DC: National Aeronautics and Space Administration, 1993.

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28

Saitoh, E., and K. Ando. Experimental observation of the spin Hall effect using spin dynamics. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198787075.003.0015.

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This chapter describes an experiment on the inverse spin Hall effect (ISHE) induced by spin pumping. Spin pumping is the generation of spin currents as a result of magnetization M(t) precession; in a ferromagnetic/paramagnetic bilayer system, a conduction-electron spin current is pumped out of the ferromagnetic layer into the paramagnetic conduction layer in a ferromagnetic resonance condition. The sample used in the experiment is a Ni81Fe19/Pt bilayer film comprising a 10-nm-thick ferromagnetic Ni81Fe19layer and a 10-nm-thick paramagnetic Pt layer. For the measurement, the sample system is placed near the centre of a TE011 microwave cavity at which the magnetic-field component of the microwave mode is maximized while the electric-field component is minimized.
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29

Glazov, M. M. Electron Spin Decoherence by Nuclei. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198807308.003.0007.

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The discussion of the electron spin decoherence and relaxation phenomena via the hyperfine interaction with host lattice spins is presented here. The spin relaxation processes processes limit the conservation time of spin states as well as the response time of the spin system to external perturbations. The central spin model, where the spin of charge carrier interacts with the bath of nuclear spins, is formulated. We also present different methods to calculate the spin dynamics within this model. Simple but physically transparent semiclassical treatment where the nuclear spins are considered as largely static classical magnetic moments is followed by more advanced quantum mechanical approach where the feedback of electron spin dynamics on the nuclei is taken into account. The chapter concludes with an overview of experimental data and its comparison with model calculations.
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30

LAND.TECHNIK 2020. VDI Verlag, 2020. http://dx.doi.org/10.51202/9783181023747.

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Electrical Systems Sustainable Agriculture in an Electrifed World – Cradle-to-Grave evaluation of different propulsion systems 1 Understanding the opportunities and challenges of self-driving, electric feld tractors using dynamic discrete-event simulation 9 Design and analysis of a magnetic-electrical power split gearbox for application in an agricultural vehicle 17 Development of a 3-speed gearbox in electric powertrain – Ground drive transmission for a commercial vehicle 23 Data Management Farmers’ expectations in Precision Farming Technologies – Transfarm 40 online survey 2019 31 Cyber Threats and Cyber Risks in Smart Farming 37 Automatic logging and situation-related evaluation of manufacturer independent machine data 47 Data insight and expert knowledge combined to maximize uptime 55 … ...
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31

Horing, Norman J. Morgenstern. Random Phase Approximation Plasma Phenomenology, Semiclassical and Hydrodynamic Models; Electrodynamics. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198791942.003.0010.

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Chapter 10 reviews both homogeneous and inhomogeneous quantum plasma dielectric response phenomenology starting with the RPA polarizability ring diagram in terms of thermal Green’s functions, also energy eigenfunctions. The homogeneous dynamic, non-local inverse dielectric screening functions (K) are exhibited for 3D, 2D, and 1D, encompassing the non-local plasmon spectra and static shielding (e.g. Friedel oscillations and Debye-Thomas-Fermi shielding). The role of a quantizing magnetic field in K is reviewed. Analytically simpler models are described: the semiclassical and classical limits and the hydrodynamic model, including surface plasmons. Exchange and correlation energies are discussed. The van der Waals interaction of two neutral polarizable systems (e.g. physisorption) is described by their individual two-particle Green’s functions: It devolves upon the role of the dynamic, non-local plasma image potential due to screening. The inverse dielectric screening function K also plays a central role in energy loss spectroscopy. Chapter 10 introduces electromagnetic dyadic Green’s functions and the inverse dielectric tensor; also the RPA dynamic, non-local conductivity tensor with application to a planar quantum well. Kramers–Krönig relations are discussed. Determination of electromagnetic response of a compound nanostructure system having several nanostructured parts is discussed, with applications to a quantum well in bulk plasma and also to a superlattice, resulting in coupled plasmon spectra and polaritons.
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32

Diaz, Roberto Jose, Gregory W. Basil, and Ricardo J. Komotar. Primary CNS Lymphoma. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190696696.003.0008.

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Central nervous system (CNS) lymphoma must be considered in the differential diagnosis of any immunocompromised patient with a solid brain lesion. In such patients, diagnosis can be made via a careful review of important signs, symptoms, and classic radiologic findings. While there is no single physical exam finding classic for lymphoma, the clinician must carefully evaluate patients for the presence or absence of findings that may suggest an alternative diagnosis. Such findings include the stigmata of endocarditis, symptoms suggestive of pneumonia, or additional non-CNS mass lesions. Additionally, several imaging modalities including magnetic resonance imaging, diffusion-weighted magnetic resonance imaging, susceptibility weighted imaging, and dynamic contrast-enhanced imaging can be useful in identifying this condition. While steroids can be helpful in reducing the disease burden and decreasing edema, they may also hinder diagnosis. Surgery may be indicated for either diagnostic or decompressive purposes; however, the mainstay of treatment is chemotherapeutic and immunotherapeutic agents with radiation reserved for refractory cases.
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33

Vaez-Zadeh, Sadegh. Predictive, Deadbeat, and Combined Controls. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198742968.003.0005.

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In this chapter, three control methods recently developed for or applied to electric motors in general and to permanent magnet synchronous (PMS) motors, in particular, are presented. The methods include model predictive control (MPC), deadbeat control (DBC), and combined vector and direct torque control (CC). The fundamental principles of the methods are explained, the machine models appropriate to the methods are derived, and the control systems are explained. The PMS motor performances under the control systems are also investigated. It is elaborated that MPC is capable of controlling the motor under an optimal performance according to a defined objective function. DBC, on the other hand, provides a very fast response in a single operating cycle. Finally, combined control produces motor dynamics faster than one under VC, with a smoother performance than the one under DTC.
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34

Eriksson, Olle, Anders Bergman, Lars Bergqvist, and Johan Hellsvik. Magnons. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198788669.003.0009.

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In this chapter we give several examples of how the multiscale approach for atomistic spin-dynamics, as described in Part I and Part II of this book, performs for describing magnon excitations of solids. Due to the recent experimental advancements in detecting such excitations for surfaces and multilayers, we focus here primarily on spin wave excitations of two-dimensional systems. The discussion can easily be generalized to bulk magnets, and in fact some examples of bulk properties are given in this chapter as well. Magnons can be categorized as dipolar and exchange magnons, where the latter are in the range of giga Hz frequency, and are the main focus of this chapter.
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35

Horing, Norman J. Morgenstern. Quantum Statistical Field Theory. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198791942.001.0001.

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The methods of coupled quantum field theory, which had great initial success in relativistic elementary particle physics and have subsequently played a major role in the extensive development of non-relativistic quantum many-particle theory and condensed matter physics, are at the core of this book. As an introduction to the subject, this presentation is intended to facilitate delivery of the material in an easily digestible form to students at a relatively early stage of their scientific development, specifically advanced undergraduates (rather than second or third year graduate students), who are mathematically strong physics majors. The mechanism to accomplish this is the early introduction of variational calculus with particle sources and the Schwinger Action Principle, accompanied by Green’s functions, and, in addition, a brief derivation of quantum mechanical ensemble theory introducing statistical thermodynamics. Important achievements of the theory in condensed matter and quantum statistical physics are reviewed in detail to help develop research capability. These include the derivation of coupled field Green’s function equations of motion for a model electron-hole-phonon system, extensive discussions of retarded, thermodynamic and non-equilibrium Green’s functions, and their associated spectral representations and approximation procedures. Phenomenology emerging in these discussions includes quantum plasma dynamic, nonlocal screening, plasmons, polaritons, linear electromagnetic response, excitons, polarons, phonons, magnetic Landau quantization, van der Waals interactions, chemisorption, etc. Considerable attention is also given to low-dimensional and nanostructured systems, including quantum wells, wires, dots and superlattices, as well as materials having exceptional conduction properties such as superconductors, superfluids and graphene.
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36

Nagaosa, N. Multiferroics. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198787075.003.0010.

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This chapter delves into the physics of multiferroics, the recent developments of which are discussed here from the viewpoint of the spin current and “emergent electromagnetism” for constrained systems. It presents the three sources of U(1) gauge fields, namely, the Berry phase associated with the noncollinear spin structure, the spin-orbit interaction (SOI), and the usual electromagnetic field. The chapter reviews multiferroic phenomena in noncollinear magnets from this viewpoint and discusses theories of multiferroic behavior of cycloidal helimagnets in terms of the spin current or vector spin chirality. Relativistic SOI leads to a coupling between the spin current and the electric polarization, and hence the ferroelectric and dielectric responses are a new and important probe for the spin states and their dynamical properties. Microscopic theories of the ground state polarization for various electronic configurations, collective modes including the electromagnon, and some predictions including photoinduced chirality switching are discussed with comparison to experimental results.
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37

Narang, Gopi Chand. The Urdu Ghazal. Translated by Surinder Deol. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780190120795.001.0001.

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The Urdu ghazal is a marvel of the magnetic dynamism of husn o i’shq filled with innovative imagery. It is a celebration of life and love in an ambiance of pure ecstasy. It has a profound capacity for joy as well as pain. It is the soul of Urdu verse and the play of creativity at its peak. No other poetic genre is as innately musical as the ghazal. The book presents unique flowering of the Urdu ghazal as a by-product of India’s composite culture that evolved from intermixing of Indian and foreign value systems. This never-before narrated story of the evolution of the Urdu ghazal is documented in eight chapters divided into three parts. It explores a variety of influences, including Sufism, Bhakti movement, and infusion of Rekhta and Persian languages and culture. The book explains classical ghazal forms that blossomed from the seeds sown by Amir Khusrau in the fourteenth century to great heights of literary excellence achieved during the next 300, notably in the works of great poets like Mir and Ghalib. Different socio-political and cultural demands of changing times are expounded towards the end, primarily how the ghazal provided new creative models to deal with literary movements like progressivism, modernism, and postmodernism. This book includes samples of works of thematically related poets. It also covers works of twentieth-century pioneering innovators like Firaq Gorakhpuri and Faiz Ahmed Faiz, and postmoderns like Gulzar and Javed Akhtar.
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