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This book is a collection of lectures given in July 2007 at the Les Houches Summer School on ""Dynamos"". Provides a pedagogical introduction to topics in Dynamos Addresses each topic from the basis to the most recent developments Covers the lectures by internationally-renowned and leading experts
Magnetohydrodynamics --- Dynamo theory (Cosmic physics) --- Astrophysics --- Geophysics
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Sun --- Soleil --- Corona. --- Couronne --- Solar atmosphere --- Helioseismology --- Magnetohydrodynamics --- Solar oscillations --- Solar dynamics --- Solar seismology --- Astroseismology --- Corona
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The subject of wave-particle interactions occurring in space plasmas has developed strongly, both observationally and theoretically, since the discovery of the Van Allen radiation belts of energetic charged particles trapped in the Earth's magnetosphere over forty years ago. These wave-particle interactions are recognized today as being a most important research topic in space plasma physics. This book provides a full and systematic description of the physical theory of whistler and Alfvén cyclotron masers acting in planetary magnetospheres, and in the Sun's outer atmosphere. The book introduces research topics by examining significant problems in the subject. It gives sufficient detail on the topic that readers can go on to apply the methods presented to new problems, helping them with their own research. This book is a valuable reference for researchers and graduate students working in space science, solar-terrestrial physics, plasma physics, and planetary sciences.
Astronomical masers. --- Cyclotrons. --- Plasma waves. --- Astrophysics. --- Cosmology. --- Astronomy --- Deism --- Metaphysics --- Astronomical physics --- Cosmic physics --- Physics --- Plasma sound waves --- Acoustic surface waves --- Magnetohydrodynamics --- Plasma (Ionized gases) --- Waves --- Cyclotron --- Magnetic resonance accelerators --- Particle accelerators --- Celestial masers --- Interstellar masers --- Masers, Celestial --- Interstellar matter --- Masers --- Radio sources (Astronomy)
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The field of quantum plasmas has a long and diverse tradition and is becoming of increasing current interest, motivated by applications to micro-electronics and to focused high-power lasers. In this book, plasma kinetic theory is developed in a covariant (4-tensor) notation, which facilitates generalizations to include all relativistic and electromagnetic effects. Relativistic quantum effects are included by using quantum electrodynamics (QED) to calculate the plasma response 4-tenors. The effects of the plasma are included in QED by replacing the photon propagator in vacuo by that in the medium, such that the poles of this propagator correspond to the natural wave modes of the medium.
Plasma dynamics. --- Quantum electrodynamics. --- Plasmas, Dynamique des --- Electrodynamique quantique --- Plasma dynamics --- Quantum electrodynamics --- Electricity & Magnetism --- Astrophysics --- Astronomy & Astrophysics --- Physics --- Physical Sciences & Mathematics --- Electrodynamics, Quantum --- QED (Physics) --- Snowplow effect --- Physics. --- Quantum physics. --- Astrophysics. --- Atoms. --- Matter. --- Plasma (Ionized gases). --- Astrophysics and Astroparticles. --- Quantum Physics. --- Atoms and Molecules in Strong Fields, Laser Matter Interaction. --- Plasma Physics. --- Quantum field theory --- Schwinger action principle --- Dynamics --- Plasma (Ionized gases) --- Magnetohydrodynamics --- Quantum theory. --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Mechanics --- Thermodynamics --- Astronomical physics --- Astronomy --- Cosmic physics --- Gaseous discharge --- Gaseous plasma --- Magnetoplasma --- Ionized gases --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Chemistry, Physical and theoretical --- Matter --- Stereochemistry --- Constitution
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Written by one of today's most highly respected astrophysicists, Foundations of High-Energy Astrophysics is an introduction to the mathematical and physical techniques used in the study of high-energy astrophysics. Here, Mario Vietri approaches the basics of high-energy astrophysics with an emphasis on underlying physical processes as opposed to a more mathematical approach. Alongside more traditional topics, Vietri presents new subjects increasingly considered crucial to understanding high-energy astrophysical sources, including the electrodynamics of cosmic sources, new developments in the theory of standard accretion disks, and the physics of coronae, thick disks, and accretion onto magnetized objects. The most thorough and engaging survey of high-energy astrophysics available today, Foundations of High-Energy Astrophysics introduces the main physical processes relevant to the field in a rigorous yet accessible way, while paying careful attention to observational issues. Vietri's book will quickly become a classic text for students and active researchers in astronomy and astrophysics. Those in adjoining fields will also find it a valuable addition to their personal libraries.
Astrophysics --- Infrared astronomy --- X-ray astronomy --- Gamma ray astronomy --- Particles (Nuclear physics) --- Elementary particles (Physics) --- High energy physics --- Nuclear particles --- Nucleons --- Nuclear physics --- Astronomy --- Space astronomy --- X-rays --- Infra-red astronomy --- Astronomical physics --- Cosmic physics --- Physics --- astrophysics, cosmic sources, electrodynamics, standard accretion disks, magnetized objects, coronae, physics, astronomy, mass conservation, momentum, energy, bernoullis theorem, conservative form, hydrodynamics, shock waves, discontinuity, small perturbations, viscous fluids, collisional shocks, noncollisional, de laval nozzle, magnetic fields, magnetohydrodynamics, nonfiction, science, radiative processes, nonthermal particles, spherical flows, explosion, pulsars, magnetospheres, black holes, orbits.
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This monograph presents new constructive design methods for boundary stabilization and boundary estimation for several classes of benchmark problems in flow control, with potential applications to turbulence control, weather forecasting, and plasma control. The basis of the approach used in the work is the recently developed continuous backstepping method for parabolic partial differential equations, expanding the applicability of boundary controllers for flow systems from low Reynolds numbers to high Reynolds number conditions. Efforts in flow control over the last few years have led to a wide range of developments in many different directions, but most implementable developments thus far have been obtained using discretized versions of the plant models and finite-dimensional control techniques. In contrast, the design methods examined in this book are based on the “continuum” version of the backstepping approach, applied to the PDE model of the flow. The postponement of spatial discretization until the implementation stage offers a range of numerical and analytical advantages. Specific topics and features: * Introduction of control and state estimation designs for flows that include thermal convection and electric conductivity, namely, flows where instability may be driven by thermal gradients and external magnetic fields. * Application of a special "backstepping" approach where the boundary control design is combined with a particular Volterra transformation of the flow variables, which yields not only the stabilization of the flow, but also the explicit solvability of the closed-loop system. * Presentation of a result unprecedented in fluid dynamics and in the analysis of Navier–Stokes equations: closed-form expressions for the solutions of linearized Navier–Stokes equations under feedback. * Extension of the backstepping approach to eliminate one of the well-recognized root causes of transition to turbulence: the decoupling of the Orr–Sommerfeld and Squire systems. Control of Turbulent and Magnetohydrodynamic Channel Flows is an excellent reference for a broad, interdisciplinary engineering and mathematics audience: control theorists, fluid mechanicists, mechanical engineers, aerospace engineers, chemical engineers, electrical engineers, applied mathematicians, as well as research and graduate students in the above areas. The book may also be used as a supplementary text for graduate courses on control of distributed-parameter systems and on flow control. .
Boundary layer. --- Magnetohydrodynamics. --- Turbulence. --- Flow, Turbulent --- Turbulent flow --- Fluid dynamics --- Magneto-hydrodynamics --- MHD (Physics) --- Plasma dynamics --- Aerodynamics --- Systems theory. --- Hydraulic engineering. --- Differential equations, partial. --- Mechanical engineering. --- Engineering. --- Classical and Continuum Physics. --- Systems Theory, Control. --- Engineering Fluid Dynamics. --- Partial Differential Equations. --- Mechanical Engineering. --- Engineering Thermodynamics, Heat and Mass Transfer. --- System theory. --- Construction --- Industrial arts --- Technology --- Engineering, Mechanical --- Engineering --- Machinery --- Steam engineering --- Partial differential equations --- Engineering, Hydraulic --- Fluid mechanics --- Hydraulics --- Shore protection --- Systems, Theory of --- Systems science --- Science --- Philosophy --- Continuum physics. --- Fluid mechanics. --- Partial differential equations. --- Thermodynamics. --- Heat engineering. --- Heat transfer. --- Mass transfer. --- Mass transport (Physics) --- Thermodynamics --- Transport theory --- Heat transfer --- Thermal transfer --- Transmission of heat --- Energy transfer --- Heat --- Mechanical engineering --- Chemistry, Physical and theoretical --- Dynamics --- Mechanics --- Physics --- Heat-engines --- Quantum theory --- Hydromechanics --- Continuum mechanics --- Classical field theory --- Continuum physics
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