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Transitions de phases. --- Métallurgie physique. --- Précipitation (chimie) --- Martensite.
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New paradigms for communication/networking systems are needed in order to tackle such emerging issues as heterogeneity, complexity and management of evolvable infrastructures, thus requiring approaches that are both task- and knowledge-driven. The networking and seamless integration of concepts, technologies and devices in a dynamically changing environment poses many challenges to the research community, including interoperability, programmability, management, openness, reliability, performance, context awareness, intelligence, autonomy, security, privacy, safety, and semantics. Inspired by biological systems, autonomic communication envisions communication systems that can organize, configure, optimize, protect, and heal themselves with minimal involvement of human administrators. Autonomic Communication explores conceptual models and associated technologies that will uphold the vision of autonomic communication where devices and applications blur the boundaries between virtual and real worlds as they seamlessly interconnect, intelligently cooperate, and autonomously manage themselves. Written by leading international researchers, the contributions give testimony to the challenges and prospects of this rapidly growing area. The volume is composed of chapters covering a wide range of issues related to autonomic communication. Part I Autonomic Communication Infrastructure Social-based autonomic routing in opportunistic networks A Collaborative Knowledge Plane for Autonomic Networks A Rate Feedback Predictive Control Scheme Based on Neural Network and Control Theory for Autonomic Communication Part II Autonomic Communication Services and Middleware Hovering Information – Self-Organizing Information that Finds its Own Storage The CASCADAS Framework for Autonomic Communications Autonomic Middleware for Automotive Embedded Systems Social Opportunistic Computing: Design for Autonomic User-Centric Systems Programming and Validation Techniques for Reliable Goal-driven Autonomic Software Part III Applications to Ad-Hoc (Sensor) Networks and Pervasive Systems Autonomic Communication in Pervasive Multimodal Multimedia Computing System Self-healing for Autonomic Pervasive Computing Map-based Design for Autonomic Wireless Sensor Networks An Efficient, Scalable and Robust P2P Overlay for Autonomic Communication Autonomic and Coevolutionary Sensor Networking Autonomic Communication provides a vital reference to both researchers and practitioners, particularly those in networking, future and emerging technologies, mobile systems, autonomous technologies, computational intelligence, and embedded systems. The book is also a useful tool for graduate students and senior undergraduate students in courses on networking, autonomous management web, services, network application modeling, knowledge-based systems, and evolutionary software.
Solid state physics --- Liquid helium --- Phase transformations (Statistical physics) --- Condensed matter --- Hélium liquide --- Matière condensée --- Transitions de phases --- Hélium liquide. --- Matière condensée. --- Liquid helium. --- Transitions de phases.
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Thermodynamics --- Thermodynamique --- Materials. --- Matériaux --- Thermodynamics. --- Matériaux --- Transitions de phases. --- Phase transformations (Statistical physics)
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Le XXe siècle a été témoin de l'importance croissante en physique de la notion de symétrie et donc de groupe de symétrie. En particulier, les groupes de symétrie ont joué un rôle essentiel dans la compréhension des lois fondamentales de la nature, dans la construction du modèle standard des particules élémentaires et dans la théorie des transitions de phase. Dans une première partie, le livre donne une introduction générale à la théorie des groupes, à la fois élémentaire et mathématiquement rigoureuse. Il décrit en détail un certain nombre de groupes parmi les plus utilisés en physique, comme le groupe des rotations SO(3) ou les groupes du modèle standard SU(N). Il passe ensuite en revue quelques applications importantes comme les lois de conservation résultant de symétries (théorème de Noether) ou les brisures de symétrie, discrètes ou continues, dans la théorie des transitions de phase. Bien que de nombreux ouvrages traitent de la théorie des groupes, ce livre présente le sujet dans le contexte le plus récent. Issu de cours variés et de notes personnelles, il s'adresse aux étudiants de master, aux doctorants, aux chercheurs et aux enseignants.
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Cet ouvrage propose une introduction pédagogique à la théorie quantique des champs et à la physique des transitions de phase notamment dans le régime quantique.
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"Revised to cover developments in the field over the past decade, the Fourth Edition provides information and examples that better illustrate the engineering relevance of this topic. It supplies a comprehensive overview of specific types of phase transformations, supplemented by practical case studies of engineering alloys. With case studies, detailed examples, and exercises drawn from relevant applications, the Fourth Edition keeps the previous editions' popular easy-to -follow style and excellent mix of basic and advanced information, making it ideal for those new to the field. The unique presentation links basic understanding of theory with application in a gradually progressive manner".
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Recent experimental progress has enabled cold atomic gases to be studied at nano-kelvin temperatures, creating new states of matter where quantum degeneracy occurs - Bose-Einstein condensates and degenerate Fermi gases. Such quantum states are of macroscopic dimensions. This book presents the phase space theory approach for treating the physics of degenerate quantum gases, an approach already widely used in quantum optics. However, degenerate quantum gases involve massive bosonic and fermionic atoms, not massless photons. The book begins with a review of Fock states for systems of identical atoms, where large numbers of atoms occupy the various single particle states or modes. First, separate modes are considered, and here the quantum density operator is represented by a phase space distribution function of phase space variables which replace mode annihilation, creation operators, the dynamical equation for the density operator determines a Fokker-Planck equation for the distribution function, and measurable quantities such as quantum correlation functions are given as phase space integrals. Finally, the phase space variables are replaced by time dependent stochastic variables satisfying Langevin stochastic equations obtained from the Fokker-Planck equation, with stochastic averages giving the measurable quantities. Second, a quantum field approach is treated, the density operator being represented by a distribution functional of field functions which replace field annihilation, creation operators, the distribution functional satisfying a functional FPE, etc. A novel feature of this book is that the phase space variables for fermions are Grassmann variables, not c-numbers. However, we show that Grassmann distribution functions and functionals still provide equations for obtaining both analytic and numerical solutions. The book includes the necessary mathematics for Grassmann calculus and functional calculus, and detailed derivations of key results are provided.
Cold gases --- Phase transformations (Statistical physics) --- Quantum theory --- Cold gases. --- Quantum theory. --- Transitions de phases. --- Gaz. --- Théorie quantique.
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Field theory (Physics) --- Statistical mechanics --- 531.19 --- 531.19 Statistical mechanics --- Congresses --- Champs, Théorie des (physique) --- Mécanique statistique. --- Renormalisation (physique) --- Symétrie (physique) --- Transitions de phases.
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Physical metallurgy --- Metals --- Mechanics, Analytic --- Chemical kinetics. --- Phase transformations (Statistical physics) --- Métallurgie physique. --- Mécanique analytique. --- Transitions de phases. --- Cinétique chimique. --- Métaux.
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