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Etude Mathematique Dequations Aux Derivees Partielles Issues De La Physique Des Plasmas Vlasov Poisson Et Vlasov Poisson Boltzmann
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Book Synopsis Etude mathématique d'équations aux dérivées partielles issues de la physique des plasmas (Vlasov-Poisson et Vlasov-Poisson-Boltzmann) by : Laurent Bernis
Download or read book Etude mathématique d'équations aux dérivées partielles issues de la physique des plasmas (Vlasov-Poisson et Vlasov-Poisson-Boltzmann) written by Laurent Bernis and published by . This book was released on 2006 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les deux premiers chapitres de ce travail sont consacrés à l’étude de l’équation de Vlasov-Poisson dans le cadre de la modélisation d’un faisceau de particules chargées. Nous établissons l’existence et l’unicité de solutions stationnaires, qui sont des fonctions fixées de l’énergie et du moment angulaire. Nous recourons d’abord à une méthode variationnelle, puis à une méthode constructive de tir. Le troisième chapitre étudie, pour des solutions de l’équation de Vlasov-Poisson-Boltzmann, la propagation des singularités locales de la distribution initiale.
Book Synopsis The Poisson-Boltzmann Equation by : Ralf Blossey
Download or read book The Poisson-Boltzmann Equation written by Ralf Blossey and published by Springer Nature. This book was released on 2023-02-23 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: This brief book introduces the Poisson-Boltzmann equation in three chapters that build upon one another, offering a systematic entry to advanced students and researchers. Chapter one formulates the equation and develops the linearized version of Debye-Hückel theory as well as exact solutions to the nonlinear equation in simple geometries and generalizations to higher-order equations. Chapter two introduces the statistical physics approach to the Poisson-Boltzmann equation. It allows the treatment of fluctuation effects, treated in the loop expansion, and in a variational approach. First applications are treated in detail: the problem of the surface tension under the addition of salt, a classic problem discussed by Onsager and Samaras in the 1930s, which is developed in modern terms within the loop expansion, and the adsorption of a charged polymer on a like-charged surface within the variational approach. Chapter three finally discusses the extension of Poisson-Boltzmann theory to explicit solvent. This is done in two ways: on the phenomenological level of nonlocal electrostatics and with a statistical physics model that treats the solvent molecules as molecular dipoles. This model is then treated in the mean-field approximation and with the variational method introduced in Chapter two, rounding up the development of the mathematical approaches of Poisson-Boltzmann theory. After studying this book, a graduate student will be able to access the research literature on the Poisson-Boltzmann equation with a solid background.
Book Synopsis Kinetic Boltzmann, Vlasov and Related Equations by : Alexander Sinitsyn
Download or read book Kinetic Boltzmann, Vlasov and Related Equations written by Alexander Sinitsyn and published by Elsevier. This book was released on 2011-06-17 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Boltzmann and Vlasov equations played a great role in the past and still play an important role in modern natural sciences, technique and even philosophy of science. Classical Boltzmann equation derived in 1872 became a cornerstone for the molecular-kinetic theory, the second law of thermodynamics (increasing entropy) and derivation of the basic hydrodynamic equations. After modifications, the fields and numbers of its applications have increased to include diluted gas, radiation, neutral particles transportation, atmosphere optics and nuclear reactor modelling. Vlasov equation was obtained in 1938 and serves as a basis of plasma physics and describes large-scale processes and galaxies in astronomy, star wind theory. This book provides a comprehensive review of both equations and presents both classical and modern applications. In addition, it discusses several open problems of great importance. Reviews the whole field from the beginning to today Includes practical applications Provides classical and modern (semi-analytical) solutions
Book Synopsis The Vlasov Equation 1 by : Pierre Bertrand
Download or read book The Vlasov Equation 1 written by Pierre Bertrand and published by John Wiley & Sons. This book was released on 2019-09-23 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Vlasov equation is the master equation which provides a statistical description for the collective behavior of large numbers of charged particles in mutual, long-range interaction. In other words, a low collision (or “Vlasov”) plasma. Plasma physics is itself a relatively young discipline, whose “birth” can be ascribed to the 1920s. The origin of the Vlasov model, however, is even more recent, dating back to the late 1940s. This “young age” is due to the rare occurrence of Vlasov plasma on Earth, despite the fact it characterizes most of the visible matter in the universe. This book – addressed to students, young researchers and to whoever wants a good understanding of Vlasov plasmas – discusses this model with a pedagogical presentation, focusing on the general properties and historical development of the applications of the Vlasov equation. The milestone developments discussed in the first two chapters serve as an introduction to more recent works (characterization of wave propagation and nonlinear properties of the electrostatic limit).
Book Synopsis La théorie des équations aux dérivées partielles by : Jacques Hadamard
Download or read book La théorie des équations aux dérivées partielles written by Jacques Hadamard and published by . This book was released on 1964 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Lecture Notes on the Mathematical Theory of the Boltzmann Equation by : N. Bellomo
Download or read book Lecture Notes on the Mathematical Theory of the Boltzmann Equation written by N. Bellomo and published by World Scientific. This book was released on 1995 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a collection of four lectures on some mathematical aspects related to the nonlinear Boltzmann equation. The following topics are dealt with: derivation of kinetic equations, qualitative analysis of the initial value problem, singular perturbation analysis towards the hydrodynamic limit and computational methods towards the solution of problems in fluid dynamics.
Book Synopsis Contribution À L'étude Mathématique Des Plasmas Fortement Magnétisés by : Daniel Han-Kwan
Download or read book Contribution À L'étude Mathématique Des Plasmas Fortement Magnétisés written by Daniel Han-Kwan and published by . This book was released on 2011 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cette thèse est consacrée à l’étude mathématique de certains aspects de l’équation de Vlasov-Poisson, qui constitue un modèle cinétique classique en physique des plasmas. Dans un premier temps, nous nous intéressons à la justification rigoureuse d’approxi- mations de l’équation de Vlasov-Poisson avec un champ magnétique extérieur intense, qui sont couramment utilisées, notamment lors des simulations numériques. Le but est de dé- crire certains régimes d’intérêt par des modèles asymptotiques, obtenus en faisant tendre un petit paramètre vers 0 (modélisant la physique du problème considéré) dans les équa- tions originelles. Nous étudions pour commencer la limite quasineutre, c’est-à-dire la limite quand la longueur de Debye tend vers 0, pour l’équation de Vlasov-Poisson avec des élec- trons suivant une loi de Maxwell-Boltzmann. Dans la limite des plasmas froids, à l’aide de la méthode de l’entropie relative et de techniques de filtrage, nous montrons la convergence vers des équations hydrodynamiques compressibles telles que l’équation d’Euler isotherme. Nous nous intéressons ensuite à l’approximation “rayon de Larmor fini” en trois dimen- sions, qui permet de décrire le comportement turbulent d’un plasma soumis à un champ magnétique intense. Pour cette étude, qui peut en fait être interprétée comme une limite quasineutre anisotrope, nous montrons des résultats très différents selon la dynamique dé- crite. En effet, dans le cas de la dynamique avec des électrons sans masse, nous exhibons un effet stabilisant qui permet d’obtenir le même résultat que pour le système bidimen- sionnel, alors que pour la dynamique avec des ions lourds, nous mettons en évidence les conséquences d’instabilités de type multi-fluides. Dans un second temps, nous nous consacrons à l’étude mathématique du confinement d’un plasma de tokamak. Nous commençons par proposer un modèle hydrodynamique simplifié à deux températures et étudions la stabilité au sens de Lyapunov de deux états stationnaires permettant de modéliser l’équilibre du plasma. Nos résultats sont conformes à l’heuristique physique et mettent de surcroit en évidence qu’un fort gradient de température favorise la stabilité : cela pourrait fournir une explication aux modes de haut confinement (H-modes) dans les tokamaks. Pour finir, nous attaquons ce problème du point de vue de la théorie du contrôle et prouvons des résultats pour l’équation de Vlasov-Poisson en présence de champs extérieurs (typiquement un champ magnétique).
Book Synopsis Weak Solutions of the Initial-boundary Value Problem for the Vlasov-Poisson Equation by : Naoufel Ben Abdallah
Download or read book Weak Solutions of the Initial-boundary Value Problem for the Vlasov-Poisson Equation written by Naoufel Ben Abdallah and published by . This book was released on 1992 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Etude mathématique et numérique des équations cinétiques de la physique by : Laurent Desvillettes
Download or read book Etude mathématique et numérique des équations cinétiques de la physique written by Laurent Desvillettes and published by . This book was released on 1990 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: CETTE THESE A POUR OBJET L'ETUDE MATHEMATIQUE DE CERTAINS PROBLEMES LIES A LA THEORIE CINETIQUE DES GAZ ET DES PLASMAS. NOUS NOUS INTERESSONS TOUT D'ABORD AUX PROBLEMES DE VITESSE DE CONVERGENCE VERS L'EQUILIBRE POUR UN GAZ MODELISE PAR L'EQUATION DE BOLTZMANN OU DE KAC, OU POUR UN PLASMA DECRIT GRACE A L'EQUATION DE FOKKER-PLANCK-LANDAU. NOUS DONNONS UNE MINORATION DE LA DISSIPATION D'ENTROPIE POUR CHACUNE DE CES EQUATIONS PAR LA DISTANCE A L'EQUILIBRE, DANS LE CAS DE DENSITES BORNEES INFERIEUREMENT. ENSUITE, NOUS MONTRONS MATHEMATIQUEMENT QUE LA CONVERGENCE VERS L'EQUILIBRE A EFFECTIVEMENT LIEU POUR LES SOLUTIONS RENORMALISEES DE L'EQUATION DE BOLTZMANN DANS UN DOMAINE BORNE AVEC DES CONDITIONS DE REFLEXION SPECULAIRE SUR LES BORDS, ET NOUS DONNONS LA FORME DE LA LIMITE. NOUS MONTRONS EGALEMENT CE RESULTAT DANS LE CAS D'UN PLASMA VERIFIANT L'EQUATION DE VLASOSV-POISSON-BOLTZMANN, CE QUI AMENE A CONSIDERER UNE EQUATION ELLIPTIQUE NON LINEAIRE ET NON LOCALE, POUR LAQUELLE NOUS PROUVONS L'EXISTENCE ET L'UNICITE D'UNE SOLUTION REGULIERE. NOUS NOUS CONSACRONS ENSUITE A L'ETUDE DE LA VALIDITE DE LA METHODE NUMERIQUE DE SPLITTING POUR LES EQUATIONS DU TRANSFERT RADIATIF ET DE VLASOV-MAXWELL. ENFIN, NOUS DONNONS UNE METHODE FORMELLE PERMETTANT DE PASSER DU NOYAU DE BOLTZMANN A CELUI DE FOKKER-PLANCK-LANDAU, ET NOUS PROUVONS SA VALIDITE DANS LE CADRE DES EQUATIONS LINEARISEES. NOUS CONCLUSONS EN ETENDANT LE RESULTAT PRECEDENT A L'EQUATION DE KAC
Download or read book Physics on Manifolds written by M. Flato and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the proceedings of the Colloquium "Analysis, Manifolds and Physics" organized in honour of Yvonne Choquet-Bruhat by her friends, collaborators and former students, on June 3, 4 and 5, 1992 in Paris. Its title accurately reflects the domains to which Yvonne Choquet-Bruhat has made essential contributions. Since the rise of General Relativity, the geometry of Manifolds has become a non-trivial part of space-time physics. At the same time, Functional Analysis has been of enormous importance in Quantum Mechanics, and Quantum Field Theory. Its role becomes decisive when one considers the global behaviour of solutions of differential systems on manifolds. In this sense, General Relativity is an exceptional theory in which the solutions of a highly non-linear system of partial differential equations define by themselves the very manifold on which they are supposed to exist. This is why a solution of Einstein's equations cannot be physically interpreted before its global behaviour is known, taking into account the entire hypothetical underlying manifold. In her youth, Yvonne Choquet-Bruhat contributed in a spectacular way to this domain stretching between physics and mathematics, when she gave the proof of the existence of solutions to Einstein's equations on differential manifolds of a quite general type. The methods she created have been worked out by the French school of mathematics, principally by Jean Leray. Her first proof of the local existence and uniqueness of solutions of Einstein's equations inspired Jean Leray's theory of general hyperbolic systems.
Book Synopsis Handbook of Mathematical Fluid Dynamics by : S. Friedlander
Download or read book Handbook of Mathematical Fluid Dynamics written by S. Friedlander and published by Gulf Professional Publishing. This book was released on 2003-03-27 with total page 627 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Handbook of Mathematical Fluid Dynamics is a compendium of essays that provides a survey of the major topics in the subject. Each article traces developments, surveys the results of the past decade, discusses the current state of knowledge and presents major future directions and open problems. Extensive bibliographic material is provided. The book is intended to be useful both to experts in the field and to mathematicians and other scientists who wish to learn about or begin research in mathematical fluid dynamics. The Handbook illuminates an exciting subject that involves rigorous mathematical theory applied to an important physical problem, namely the motion of fluids.
Book Synopsis Bogoliubov-de Gennes Method and Its Applications by : Jian-Xin Zhu
Download or read book Bogoliubov-de Gennes Method and Its Applications written by Jian-Xin Zhu and published by Springer. This book was released on 2016-06-21 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this book is to provide an elementary yet systematic description of the Bogoliubov-de Gennes (BdG) equations, their unique symmetry properties and their relation to Green’s function theory. Specifically, it introduces readers to the supercell technique for the solutions of the BdG equations, as well as other related techniques for more rapidly solving the equations in practical applications. The BdG equations are derived from a microscopic model Hamiltonian with an effective pairing interaction and fully capture the local electronic structure through self-consistent solutions via exact diagonalization. This approach has been successfully generalized to study many aspects of conventional and unconventional superconductors with inhomogeneities – including defects, disorder or the presence of a magnetic field – and becomes an even more attractive choice when the first-principles information of a typical superconductor is incorporated via the construction of a low-energy tight-binding model. Further, the lattice BdG approach is essential when theoretical results for local electronic states around such defects are compared with the scanning tunneling microscopy measurements. Altogether, these lectures provide a timely primer for graduate students and non-specialist researchers, while also offering a useful reference guide for experts in the field.
Book Synopsis Working with Dynamic Crop Models by : Daniel Wallach
Download or read book Working with Dynamic Crop Models written by Daniel Wallach and published by Academic Press. This book was released on 2013-11-25 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition of Working with Dynamic Crop Models is meant for self-learning by researchers or for use in graduate level courses devoted to methods for working with dynamic models in crop, agricultural, and related sciences. Each chapter focuses on a particular topic and includes an introduction, a detailed explanation of the available methods, applications of the methods to one or two simple models that are followed throughout the book, real-life examples of the methods from literature, and finally a section detailing implementation of the methods using the R programming language. The consistent use of R makes this book immediately and directly applicable to scientists seeking to develop models quickly and effectively, and the selected examples ensure broad appeal to scientists in various disciplines. 50% new content – 100% reviewed and updated Clearly explains practical application of the methods presented, including R language examples Presents real-life examples of core crop modeling methods, and ones that are translatable to dynamic system models in other fields
Book Synopsis Topics in Kinetic Theory by : Thierry Passot
Download or read book Topics in Kinetic Theory written by Thierry Passot and published by American Mathematical Soc.. This book was released on 2005 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers a variety of topics related to kinetic theory in neutral gases and magnetized plasmas, with extensions to other systems such as quantum plasmas and granular flows. A comprehensive presentation is given for the Boltzmann equations and other kinetic equations for a neutral gas, together with the derivations of compressible and incompressible fluid dynamical systems, and their rigorous justification. Several contributions are devoted to collisionless magnetized plasmas. Rigorous results concerning the well-posedness of the Vlasov-Maxwell system are presented. Special interest is devoted to asymptotic regimes where the scales of variation of the electromagnetic field are clearly separated from those associated with the gyromotion of the particles. This volume collects lectures given at the Short Course and Workshop on Kinetic Theory organized at the Fields Institute of Mathematical Sciences in Toronto during the Spring of 2004.
Book Synopsis Quantum Theory and Symmetries by : M. B. Paranjape
Download or read book Quantum Theory and Symmetries written by M. B. Paranjape and published by Springer Nature. This book was released on 2021 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of the CRM Conference Series is based on a carefully refereed selection of contributions presented at the "11th International Symposium on Quantum Theory and Symmetries", held in Montreal, Canada from July 1-5, 2019. The main objective of the meeting was to share and make accessible new research and recent results in several branches of Theoretical and Mathematical Physics, including Algebraic Methods, Condensed Matter Physics, Cosmology and Gravitation, Integrability, Non-perturbative Quantum Field Theory, Particle Physics, Quantum Computing and Quantum Information Theory, and String/ADS-CFT. There was also a special session in honour of Decio Levi. The volume is divided into sections corresponding to the sessions held during the symposium, allowing the reader to appreciate both the homogeneity and the diversity of mathematical tools that have been applied in these subject areas. Several of the plenary speakers, who are internationally recognized experts in their fields, have contributed reviews of the main topics to complement the original contributions. .
Book Synopsis Ray Tracing and Beyond by : E. R. Tracy
Download or read book Ray Tracing and Beyond written by E. R. Tracy and published by Cambridge University Press. This book was released on 2014-02-27 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: This complete introduction to the use of modern ray tracing techniques in plasma physics describes the powerful mathematical methods generally applicable to vector wave equations in non-uniform media, and clearly demonstrates the application of these methods to simplify and solve important problems in plasma wave theory. Key analytical concepts are carefully introduced as needed, encouraging the development of a visual intuition for the underlying methodology, with more advanced mathematical concepts succinctly explained in the appendices, and supporting Matlab and Raycon code available online. Covering variational principles, covariant formulations, caustics, tunnelling, mode conversion, weak dissipation, wave emission from coherent sources, incoherent wave fields, and collective wave absorption and emission, all within an accessible framework using standard plasma physics notation, this is an invaluable resource for graduate students and researchers in plasma physics.
Book Synopsis Nonlinear Integral Equations by : Philip M. Anselone
Download or read book Nonlinear Integral Equations written by Philip M. Anselone and published by . This book was released on 1964 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
