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Theories Des Champs Des Antiferromagnetiques Quantiques Et Classiques
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Book Synopsis THEORIES DES CHAMPS DES ANTIFERROMAGNETIQUES QUANTIQUES ET CLASSIQUES by : DOMINIQUE.. MOUHANNA
Download or read book THEORIES DES CHAMPS DES ANTIFERROMAGNETIQUES QUANTIQUES ET CLASSIQUES written by DOMINIQUE.. MOUHANNA and published by . This book was released on 1994 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: LES SYSTEMES DE SPINS DE HEISENBERG ANTIFERROMAGNETIQUES FRUSTRES ET NON-FRUSTRES SONT ETUDIES AU MOYEN DES METHODES DE LA THEORIE QUANTIQUE DES CHAMPS ET DU GROUPE DE RENORMALISATION. DANS LE CAS DE SPINS QUANTIQUES BIDIMENSIONNELS, LE PHENOMENE DE BRISURE SPONTANEE DE SYMETRIE A TEMPERATURE NULLE EST ANALYSEE EN UTILISANT UN MODELE SIGMA NON-LINEAIRE, DANS SA FORMULATION HAMILTONIENNE ET LAGRANGIENNE. AUTOUR DE CETTE ETUDE, DES CRITERES D'EXISTENCE D'ORDRE A LONGUE DISTANCE DANS L'ETAT FONDAMENTAL DE SYSTEMES DE SPINS FRUSTRES SONT OBTENUS. ILS CONSISTENT, D'UNE PART, EN DES PREDICTIONS SUR LE SPECTRE DE BASSE ENERGIE DU SYSTEME A TAILLE FINIE ET A TEMPERATURE NULLE QUI DOIT ETRE OBSERVE LORSQU'IL Y A BRISURE DE SYMETRIE DANS LA LIMITE THERMODYNAMIQUE ; D'AUTRE PART, DANS L'EXPRESSION DE LA LONGUEUR DE CORRELATION EN FONCTION DE LA TEMPERATURE DES SYSTEMES DE SPINS FRUSTRES, DANS UN REGIME DE PARAMETRES TELS QU'IL EXISTE DE L'ORDRE A TEMPERATURE NULLE. DANS LE CAS DE SPINS FRUSTRES CLASSIQUES, LE PROBLEME DE L'UNIVERSALITE DE LA TRANSITION DE PHASE TRIDIMENSIONNELLE A TEMPERATURE FINIE EST ENVISAGE. DIFFERENTES APPROCHES THEORIQUES SONT PRESENTEES ET COMPAREES: MODELE SIGMA NON-LINEAIRE, MODELE DE LANDAU-GINZBURG-WILSON. EN DEUX DIMENSIONS, L'EXISTENCE D'UNE TOPOLOGIE NON-TRIVIALE DANS LES SYSTEMES DE SPINS FRUSTRES EST A LA BASE D'UN PHENOMENE DE DECONFINEMENT DE VORTEX. LA VALIDITE DE LA THEORIE DE PERTURBATION BASSE TEMPERATURE EST ANALYSEE
Book Synopsis Théories quantiques de la matière et du rayonnement by : Théo Kahan
Download or read book Théories quantiques de la matière et du rayonnement written by Théo Kahan and published by FeniXX. This book was released on 1958-01-01T00:00:00+01:00 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cet ouvrage est une réédition numérique d’un livre paru au XXe siècle, désormais indisponible dans son format d’origine.
Book Synopsis Théorie quantique des champs by : Antoine Visconti
Download or read book Théorie quantique des champs written by Antoine Visconti and published by . This book was released on 1961 with total page 711 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ICREEC 2019 written by Ahmed Belasri and published by Springer Nature. This book was released on 2020-06-10 with total page 659 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.
Book Synopsis Multifunctional Oxide Heterostructures by : Evgeny Y. Tsymbal
Download or read book Multifunctional Oxide Heterostructures written by Evgeny Y. Tsymbal and published by OUP Oxford. This book was released on 2012-08-30 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is devoted to the rapidly developing field of oxide thin-films and heterostructures. Oxide materials combined with atomic-scale precision in a heterostructure exhibit an abundance of macroscopic physical properties involving the strong coupling between the electronic, spin, and structural degrees of freedom, and the interplay between magnetism, ferroelectricity, and conductivity. Recent advances in thin-film deposition and characterization techniques made possible the experimental realization of such oxide heterostructures, promising novel functionalities and device concepts. The book consists of chapters on some of the key innovations in the field over recent years, including strongly correlated oxide heterostructures, magnetoelectric coupling and multiferroic materials, thermoelectric phenomena, and two-dimensional electron gases at oxide interfaces. The book covers the core principles, describes experimental approaches to fabricate and characterize oxide heterostructures, demonstrates new functional properties of these materials, and provides an overview of novel applications.
Book Synopsis Group Theory and Quantum Mechanics by : Michael Tinkham
Download or read book Group Theory and Quantum Mechanics written by Michael Tinkham and published by Courier Corporation. This book was released on 2012-04-20 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: This graduate-level text develops the aspects of group theory most relevant to physics and chemistry (such as the theory of representations) and illustrates their applications to quantum mechanics. The first five chapters focus chiefly on the introduction of methods, illustrated by physical examples, and the final three chapters offer a systematic treatment of the quantum theory of atoms, molecules, and solids. The formal theory of finite groups and their representation is developed in Chapters 1 through 4 and illustrated by examples from the crystallographic point groups basic to solid-state and molecular theory. Chapter 5 is devoted to the theory of systems with full rotational symmetry, Chapter 6 to the systematic presentation of atomic structure, and Chapter 7 to molecular quantum mechanics. Chapter 8, which deals with solid-state physics, treats electronic energy band theory and magnetic crystal symmetry. A compact and worthwhile compilation of the scattered material on standard methods, this volume presumes a basic understanding of quantum theory.
Book Synopsis Spectra and Energy Levels of Rare Earth Ions in Crystals by : Gerhard Heinrich Dieke
Download or read book Spectra and Energy Levels of Rare Earth Ions in Crystals written by Gerhard Heinrich Dieke and published by . This book was released on 1968 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electronic Density Functional Theory by : John F. Dobson
Download or read book Electronic Density Functional Theory written by John F. Dobson and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an outcome of the International Workshop on Electronic Density Functional Theory, held at Griffith University in Brisbane, Australia, in July 1996. Density functional theory, standing as it does at the boundary between the disciplines of physics, chemistry, and materials science, is a great mixer. Invited experts from North America, Europe, and Australia mingled with students from several disciplines, rapidly taking up the informal style for which Australia is famous. A list of participants is given at the end of the book. Density functional theory (DFT) is a subtle approach to the very difficult problem of predicting the behavior of many interacting particles. A major application is the study of many-electron systems. This was the workshop theme, embracing inter alia computational chemistry and condensed matter physics. DFT circumvents the more conceptually straightforward (but more computationally intensive) approach in which one solves the many-body Schrodinger equation. It relies instead on rather delicate considerations involving the electron number density. For many years the pioneering work of Kohn and Sham (the Local Density Ap proximation of 1965 and immediate extensions) represented the state of the art in DFT. This approach was widely used for its appealing simplicity and computability, but gave rather modest accuracy. In the last few years there has been a renaissance of interest, quite largely due to the remarkable success of the new generation of gradient functionals whose initiators include invitees to the workshop (Perdew, Parr, Yang).
Download or read book INIS Atomindeks written by and published by . This book was released on 1976 with total page 814 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Data Storage at the Nanoscale by : Gan Fuxi
Download or read book Data Storage at the Nanoscale written by Gan Fuxi and published by CRC Press. This book was released on 2015-02-09 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the big data era, data storage is one of the cores in the whole information chain, which includes production, transfer, sharing, and finally processing. Over the years, the growth of data volume has been explosive. Today, various storage services need memories with higher density and capacity. Moreover, information storage in the big data applic
Download or read book Quantum Atom Optics written by Tim Byrnes and published by Cambridge University Press. This book was released on 2021-08-05 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rapid development of quantum technologies has driven a revolution in related research areas such as quantum computation and communication, and quantum materials. The first prototypes of functional quantum devices are beginning to appear, frequently created using ensembles of atoms, which allow the observation of sensitive, quantum effects, and have important applications in quantum simulation and matter wave interferometry. This modern text offers a self-contained introduction to the fundamentals of quantum atom optics and atomic many-body matter wave systems. Assuming a familiarity with undergraduate quantum mechanics, this book will be accessible for graduate students and early career researchers moving into this important new field. A detailed description of the underlying theory of quantum atom optics is given, before development of the key, quantum, technological applications, such as atom interferometry, quantum simulation, quantum metrology, and quantum computing.
Book Synopsis Base de Données PASCAL Plan de Classement by :
Download or read book Base de Données PASCAL Plan de Classement written by and published by . This book was released on 1991 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis X-Ray and Neutron Reflectivity: Principles and Applications by : Jean Daillant
Download or read book X-Ray and Neutron Reflectivity: Principles and Applications written by Jean Daillant and published by Springer Science & Business Media. This book was released on 2003-07-01 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: The reflection of and neutrons from surfaces has existed as an x-rays exp- imental for almost it is in the last technique fifty Nevertheless, only years. decade that these methods have become as of enormously popular probes This the surfaces and interfaces. to be due to of several appears convergence of intense different circumstances. These include the more n- availability be measured orders tron and sources that can over (so reflectivity x-ray many of and the much weaker surface diffuse can now also be magnitude scattering of thin films and studied in some the detail); growing importance multil- basic the realization of the ers in both and technology research; important which in the of surfaces and and role roughness plays properties interfaces; the of statistical models to characterize the of finally development topology its and its characterization from on roughness, dependence growth processes The of and to surface scattering experiments. ability x-rays neutro4s study four five orders of in scale of surfaces over to magnitude length regardless their and also their to ability probe environment, temperature, pressure, etc. , makes these the choice for buried interfaces often probes preferred obtaining information about the microstructure of often in statistical a global surfaces, the local This is manner to complementary imaging microscopy techniques, of such studies in the literature witnessed the veritable by explosion published the last few Thus these lectures will useful for over a resource years.
Book Synopsis Œuvres scientifiques de Louis Néel by : Louis Néel
Download or read book Œuvres scientifiques de Louis Néel written by Louis Néel and published by Centre National de la Recherche Scientifique. This book was released on 1978 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chirality in Natural and Applied Science by : W. John Lough
Download or read book Chirality in Natural and Applied Science written by W. John Lough and published by Wiley-Blackwell. This book was released on 2002 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: An understanding of chirality is central to the study and application of the molecular sciences. Chirality in Natural and Applied Science provides a highly practical overview of the chemical significance of chirality and is particularly relevant for pharmaceutical, natural product, organic and analytical chemists, biochemists and molecular biologists. The book describes the current understanding of all issues relating to chirality, and appraises its impact on much of modern molecular science. It covers the natural occurrence of chirality on a variety of scales, and applications in research and industry. By bringing together the experience of a number of contributors who have played an influential role on the direction of research in this area, the text is well placed to explain the most important insights, developments and applications that have taken place. Chirality will remain a central part of the understanding of all molecular scientists, and there is little doubt that its importance will increase. This book will ensure the reader has a thorough understanding of chirality, its importance and its application
Book Synopsis Luminescence of Lanthanide Ions in Coordination Compounds and Nanomaterials by : Ana de Bettencourt-Dias
Download or read book Luminescence of Lanthanide Ions in Coordination Compounds and Nanomaterials written by Ana de Bettencourt-Dias and published by John Wiley & Sons. This book was released on 2014-09-08 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive book presents the theoretical principles, current applications and latest research developments in the field of luminescent lanthanide complexes; a rapidly developing area of research which is attracting increasing interest amongst the scientific community. Luminescence of Lanthanide Ions in Coordination Compounds and Nanomaterials begins with an introduction to the basic theoretical and practical aspects of lanthanide ion luminescence, and the spectroscopic techniques used to evaluate the efficiency of luminescence. Subsequent chapters introduce a variety of different applications including: • Circularly polarized luminescence • Luminescence bioimaging with lanthanide complexes • Two-photon absorption of lanthanide complexes • Chemosensors • Upconversion luminescence • Excitation spectroscopy • Heterometallic complexes containing lanthanides Each chapter presents a detailed introduction to the application, followed by a description of experimental techniques specific to the area and an extensive review of recent literature. This book is a valuable introduction to the literature for scientists new to the field, as well as providing the more experienced researcher with a comprehensive resource covering the most relevant information in the field; a ‘one stop shop’ for all key references.
Book Synopsis Supplemento al volume ... serie ... del Nuovo cimento by :
Download or read book Supplemento al volume ... serie ... del Nuovo cimento written by and published by . This book was released on 1953 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:
