The Kinetic Theory and Stability of a Stochastic Plasma with Respect to Low Frequency Perturbations and Magnetospheric Convection PDF Download
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Author: Omar Al Hurricane
Publisher:
ISBN:
Category :
Languages : en
Pages : 240
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Book Description
Author: Omar Al Hurricane
Publisher:
ISBN:
Category :
Languages : en
Pages : 240
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 138
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Book Description
In this dissertation, a new linear Vlasov kinetic theory is developed for calculating the plasma response to perturbing electromagnetic fields in cases where the particle dynamics are stochastic; for modes with frequencies less than the typical particle bounce frequency. A variational form is arrived at which allows one to properly perform a stability analysis for a stochastic plasma. In the case of stochastic dynamics, the authors demonstrate that the plasma responds to the flux tube volume average of the perturbing potentials as opposed to the usual case of adiabatic dynamics where plasma responds to the bounce average of the perturbed potentials. They show that for the stochastic plasma, the kinetic variational form maps into the Bernstein energy principle if the perturbation frequency is large compared to all drift frequencies, the perpendicular wavelength is large compared to the Larmor radius, and vanishing of the potentials associated with the parallel electric field are all assumed. By explicit minimization of the energy principle, it is established that the stochastic plasma is always less stable than an adiabatic plasma. Lastly, the effect of strictly enforcing the quasi-neutrality (QN) condition upon a gyro-kinetic type stability analysis is explored. From simple mathematical considerations, it is shown that when the QN condition is imposed convective type modes that are equipotentials along magnetic field lines are created that alter the stability properties of the plasma. The pertinent modifications to the Bernstein energy principle are given.
Author: J.-P. Rozelot
Publisher: Springer
ISBN: 3540451668
Category : Science
Languages : en
Pages : 219
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Book Description
The book contains courses taught to a public of Ph.D. students, post-docs and confirmed researchers in all fields of heliospheric plasma physics. It aims at identifying physical issues which are common to two different fields of astronomy: solar and magnetospheric physics. Emphasis is given to basic processes of transport and conversion of energy: magnetic reconnection is discussed in detail from the viewpoints of MHD and kinetic physics. Processes of charged particle acceleration are reviewed and compared with recent observations. The subject is introduced by a summary of MHD, and the basic structures and parameters of the solar atmosphere, terrestrial ionosphere and magnetosphere are reviewed. The book combines a pedagogic and comprehensive presentation of physical issues and raises fully open questions, with the complementary and sometimes conflicting views of geophysicists and solar physicists. The book's focus, while basic, opens new avenues.
Author: Andr Rogister author
Publisher:
ISBN:
Category : Kinetic theory of gases
Languages : en
Pages : 116
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Book Description
Author: Donald Gary Swanson
Publisher: CRC Press
ISBN: 1420075810
Category : Science
Languages : en
Pages : 334
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Book Description
Developed from the lectures of a leading expert in plasma wave research, Plasma Kinetic Theory provides the essential material for an introductory course on plasma physics as well as the basis for a more advanced course on kinetic theory. Exploring various wave phenomena in plasmas, it offers wide-ranging coverage of the field. After intr
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 736
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Book Description
Author: J. A. Bittencourt
Publisher: Elsevier
ISBN: 148329319X
Category : Science
Languages : en
Pages : 730
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Book Description
A general introduction designed to present a comprehensive, logical and unified treatment of the fundamentals of plasma physics based on statistical kinetic theory. Its clarity and completeness make it suitable for self-learning and self-paced courses. Problems are included.
Author: Barton Lane
Publisher:
ISBN:
Category : Plasma instabilities
Languages : en
Pages : 418
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Book Description
Author: David Campbell Montgomery
Publisher: CRC Press
ISBN: 9780677033501
Category : Plasma (Ionized gases)
Languages : en
Pages : 420
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Book Description
Author: Marco Brambilla
Publisher: Oxford University Press
ISBN: 9780198559566
Category : Language Arts & Disciplines
Languages : en
Pages : 658
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Book Description
The book deals with the propagation and absorption of high frequency waves in plasmas. The text collects in a structured and self-contained way the basic knowledge on the broad and varied behavior of plasma waves, adopting the microscopic kinetic description of the plasma as unifying principle. The internal coherence of the theory is explicitly stressed, and interesting physical phenomena peculiar to plasmas are discussed in detail, including collisionless damping of waves, the development of stochasticity in the interactions of charged particles with electromagnetic waves, and nonlinear interactions between waves. The most common and useful approximations used in solving practical problems are derived as special cases from the more general kinetic approach, thereby clarifying their meaning and domain of applicability. This exposition should be useful to plasma physicists both as an introduction and a reference to this field of research.
