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Books > Science & Mathematics > Physics > Electricity, magnetism & electromagnetism

Quantum Solid-State Physics (Paperback, Softcover reprint of the original 1st ed. 1989): Serghey V Vonsovsky, Mikhail I... Quantum Solid-State Physics (Paperback, Softcover reprint of the original 1st ed. 1989)
Serghey V Vonsovsky, Mikhail I Katsnelson
R1,587 Discovery Miles 15 870 Ships in 10 - 15 working days

This book treats the major problems of the quantum physics of solids, ranging from fundamental concepts to topical issues. Rather than use a deductive method of exposition, the authors consider and analyze simple empirically established properties of solids and employ more complicated models only as the need arises. Detailed treatment is given of classical problems such as chemical bonding in crystals, the one-dimensional Schrodinger equation with a periodic potential, the metal-insulator criterion, and the quantum theory of band electron motion in external fields. Consideration is also given to topical problems such as neutron scattering by the crystal lattice, plasma and Fermi liquid effects, the theory of disordered systems, and the polaron. The reader is expected to know only the fundamentals of quantum mechanics and statistical physics. Compared with the Russian edition (Nauka, Moscow 1983), the book has been substantially revised and enlarged, new sections have been written and recent results have been incorporated."

Strong Correlation and Superconductivity - Proceedings of the IBM Japan International Symposium, Mt. Fuji, Japan, 21-25 May,... Strong Correlation and Superconductivity - Proceedings of the IBM Japan International Symposium, Mt. Fuji, Japan, 21-25 May, 1989 (Paperback, Softcover reprint of the original 1st ed. 1989)
Hidetoshi Fukuyama, Sadamichi Maekawa, Alexis P Malozemoff
R2,906 Discovery Miles 29 060 Ships in 10 - 15 working days

This volume contains the proceedings of the ffiM Japan International Sympo sium on Strong Correlation and Superconductivity, which was held in Keidan ren Guest House at the foot of Mt. Fuji, May 21-25, 1989. The purpose of the Symposium was to provide an opportunity for discus sions on the problem of strong correlation of electrons in the context of high-Tc superconductivity. Sixty-eight scientists were invited from seven countries and forty-three papers were presented in the Symposium. Soon after the discovery ofhigh-Tc superconducting oxides, Professor P. W. Anderson proposed that the essence of high-Tc superconductivity lies in the strong correlation among the electrons in these materials. This proposal has stimulated a wide range of theoretical investigations on this profound and dif ficult problem, which are expected to lead eventually to new concepts describ ing strong electron correlation. In the Symposium, Anderson himself started lively discussions by his talk entitled "Myth and Reality in High-Tc Supercon ductivity," which was followed by various reports on theoretical studies and experimental results. Concise and thoughtful summaries of experiment and theory were given by Professors H. R. Ott and P. A. Lee, respectively. It is our hope that this volume reflects the present status of the research activity on this outstanding problem from the viewpoint of the basic physics and that it will further stimulate the effort to understand these fascinating systems, the high-Tc oxides."

Environmental Magnetism (Paperback, Softcover reprint of the original 1st ed. 1986): Roy Thompson Environmental Magnetism (Paperback, Softcover reprint of the original 1st ed. 1986)
Roy Thompson
R1,505 Discovery Miles 15 050 Ships in 10 - 15 working days

The scientist will be forced, in the unenthusiastic words of one of my scientific colleagues, 'to slosh about in the primordial ooze known as inter-disciplinary studies'. John Passmore Man's responsibility for nature The present text has arisen from some thirteen years advances in our perception, appraisal and creative use of collaboration between the two authors. During that of order in natural systems. Out of this can come period, upwards of a dozen postgraduates in enhanced insight into processes, structures and Edinburgh, the New University of Ulster and Liver systems interactions on all temporal and spatial scales pool have been closely involved in exploring many of and at all integrative levels from subatomic to cosmic. the applications of magnetic measurements described In the environment, elements of order are often in the second half of the book. Much of the text is difficult to appraise and analyse, not only because of based on their work, both published and unpublished. intrinsic complexity, but as a consequence of our lack A great deal of the work summarised reflects extensive of techniques, instrumentation and suitable co-operation not only between the authors and among methodologies. Magnetic properties, whether natural their postgraduate groups, but also involving or induced, reflect forms of order which, in recent colleagues in geology, geography, ecology, hydrology, years, have become dramatically more accessible to a meteorology, glaciology, archaeology, limnology, growing range of instruments and techniques."

Magnetic Memory Technology - Spin-transfer-Torque MRAM and Beyond (Hardcover): Tang Magnetic Memory Technology - Spin-transfer-Torque MRAM and Beyond (Hardcover)
Tang
R3,274 Discovery Miles 32 740 Ships in 12 - 19 working days

STAY UP TO DATE ON THE STATE OF MRAM TECHNOLOGY AND ITS APPLICATIONS WITH THIS COMPREHENSIVE RESOURCE Magnetic Memory Technology: Spin-Transfer-Torque MRAM and Beyond delivers a combination of foundational and advanced treatments of the subjects necessary for students and professionals to fully understand MRAM and other non-volatile memories, like PCM, and ReRAM. The authors offer readers a thorough introduction to the fundamentals of magnetism and electron spin, as well as a comprehensive analysis of the physics of magnetic tunnel junction (MTJ) devices as it relates to memory applications. This book explores MRAM's unique ability to provide memory without requiring the atoms inside the device to move when switching states. The resulting power savings and reliability are what give MRAM its extraordinary potential. The authors describe the current state of academic research in MRAM technology, which focuses on the reduction of the amount of energy needed to reorient magnetization. Among other topics, readers will benefit from the book's discussions of: An introduction to basic electromagnetism, including the fundamentals of magnetic force and other concepts An thorough description of magnetism and magnetic materials, including the classification and properties of magnetic thin film properties and their material preparation and characterization A comprehensive description of Giant magnetoresistance (GMR) and tunneling magnetoresistance (TMR) devices and their equivalent electrical model Spin current and spin dynamics, including the properties of spin current, the Ordinary Hall Effect, the Anomalous Hall Effect, and the spin Hall effect Different categories of magnetic random-access memory, including field-write mode MRAM, Spin-Torque-Transfer (STT) MRAM, Spin-Orbit Torque (SOT) MRAM, and others Perfect for senior undergraduate and graduate students studying electrical engineering, similar programs, or courses on topics like spintronics, Magnetic Memory Technology: Spin-Transfer-Torque MRAM and Beyond also belongs on the bookshelves of engineers and other professionals involved in the design, development, and manufacture of MRAM technologies.

Ultra-Wideband, Short-Pulse Electromagnetics 3 (Paperback, Softcover reprint of hardcover 1st ed. 1997): Carl E. Baumann,... Ultra-Wideband, Short-Pulse Electromagnetics 3 (Paperback, Softcover reprint of hardcover 1st ed. 1997)
Carl E. Baumann, Lawrence Carin, Alexander P. Stone
R5,707 Discovery Miles 57 070 Ships in 10 - 15 working days

The first two international conferences on Ultra-Wideband (UWB), Short-Pulse (SP) Electromagnetics were held at Polytechnic University, Brooklyn, New York in 1992 and 1994. Their purpose was to focus on advanced technologies for generating, radiating, and detecting UWB, SP signals, on mathematical methods, their propagation and scattering, and on current as well as potential future applications. The success of these two conferences led to the desirability of scheduling a third conference. Impetus was provided by the electromagnetics community and discussions led by Carl Baum and Larry Carin resulted in the suggestion that the UWB conferences be moved around, say to government laboratories such as Phillips Laboratory. Consequently the decision was made by the Permanent HPEM Committee to expand AMEREM '96 to include the Third Ultra-Wide Band, Short-Pulse (UWB, SP 3) with the Third Unexploded Ordnance Detec tion and Range Remediation Conference (UXO) and the HPEMINEM Conference in Albuquerque, New Mexico during the period May 27-31, 1996. Planning is now underway for EUROEM '98 in June, 1998 in Tel Aviv, Israel. Joseph Shiloh is the conference chairman. A fourth UWB, SP meeting is planned as a part of this conference and Ehud Heyman will coordinate this part of the meeting. The papers which appear in this volume, the third in the UWB, SP series, update subject areas from the earlier UWB, SP conferences. These topics include pulse generation and detection, antennas, pulse propagation, scattering theory, signal processing, broadband electronic systems, and buried targets."

Advances in Polaron Physics (Paperback, 2010 ed.): Alexandre S. Alexandrov, Jozef T. Devreese Advances in Polaron Physics (Paperback, 2010 ed.)
Alexandre S. Alexandrov, Jozef T. Devreese
R2,840 Discovery Miles 28 400 Ships in 10 - 15 working days

While basic features of polarons were well recognized a long time ago and have been described in a number of review papers and textbooks, interest in the role of electron-phonon interactions and polaron dynamics in di?- ent materials has recently gone through a vigorous revival. Electron-phonon interactions have been shown to be relevant in many inorganic and organic semiconductors and polymers, colossal magnetoresistance oxides, and tra- port through nanowires and quantum dots also often depends on vibronic displacements of ions. These interactions presumably play a role in hi- temperature superconductors as well. The continued interest in polarons extends beyond the physical description of advanced materials. The ?eld has been a testing ground for analytical, semi-analytical, and numerical techniques, such as path integrals, strong-coupling perturbation expansion, advanced variational methods, exact diagonalization, Quantum Monte Carlo, and other techniques. This book reviews some recent developments in the ?eld of polarons, starting with the basics and covering a number of active directions of research. Single- and multipolaron theories have o?ered more insight into colossal magnetoresistance and in a broad spectrum of ph- ical properties of structures with reduced dimension and dimensionality such as transport, optical absorption, Raman scattering, photoluminescence, magneto-optics, etc. While nobody - at present - has a ?nal theory of hi- temperature superconductivity, we discuss one alternative (polaronic) route. We have bene?ted from discussions with many experts in the ?eld.

Review of Progress in Quantitative Nondestructive Evaluation - Volume 1 (Paperback, Softcover reprint of the original 1st ed.... Review of Progress in Quantitative Nondestructive Evaluation - Volume 1 (Paperback, Softcover reprint of the original 1st ed. 1982)
Donald Thompson
R5,392 Discovery Miles 53 920 Ships in 10 - 15 working days

Perhaps the largest symposium held annually in the area of quantitative nondestructive evaluation is the one which resulted in this book. The 1981 Review of Progress in Quantitative Nondestructive Evaluation (NDE) was held August 2-7 at the University of Colorado in Boulder. While the review was sponsored by the Materials Laboratory of the Air Force Wright Aeronautical Laboratories and the Defense Advanced Research Projects Agency as part of their sponsored research conducted through the Ames Laboratory of the U.S. Department of Energy, nearly 300 attendees, representing other government agencies and the industrial and university communities as well, participated in the technical presentations, poster sessions and discussions. The program emphasized various areas of interest in quantitative NDE, including topics related to the development of quantitative ultrasonic and eddy current techniques, other emerging techniques, considerations of im provements needed in the probability of flaw detection, and engineering applications which follow from technology transfer of research results. An example of this transfer is the utilization of the Born inversion algorithm for flaw sizing. The keynote address, "NDE--A Key to Enhanced Producti vity," was deli vered by Dr. Norman Tallan, Chief Scientist at the Air Force Materials Laboratory. Dr. Tallan's presentation concerned the importance and potential pay-off of moving the NDE inspection procedure forward to provide in-process inspection and control for manufacturing. This step requires the utilization of concepts and research pursued in quantitative NDE activities and the initiation of other key steps."

High Magnetic Fields in Semiconductor Physics - Proceedings of the International Conference, Wurzburg, Fed. Rep. of Germany,... High Magnetic Fields in Semiconductor Physics - Proceedings of the International Conference, Wurzburg, Fed. Rep. of Germany, August 18-22, 1986 (Paperback, Softcover reprint of the original 1st ed. 1987)
Gottfried Landwehr
R1,597 Discovery Miles 15 970 Ships in 10 - 15 working days

High magnetic fields have been an important tool in semiconductor physics for a long time. The area has been growing very rapidly since quantum effects in silicon field-effect transistors have become of practical interest. Since the discovery of the quantum Hall effect by Klaus von Klitzing in 1980, this subject has grown exponentially. The book contains 42 invited papers and 37 contributed papers which were presented at the 7th of the traditional Wurzburg conferences. For the area of high magnetic fields applied in semiconductor physics recent results are discussed, and the state-of-the-art is reviewed. More than 50% of the papers concern two-dimensional electronic systems. Other subjects of current interest are magneto-optics and magneto transport in three-dimensional semiconductors. Special attention has been paid to the rapidly growing field of semimagnetic semiconductors."

Renormalization Group Theory - Impact on Experimental Magnetism (Paperback, 2010 ed.): Ulrich Koebler, Andreas Hoser Renormalization Group Theory - Impact on Experimental Magnetism (Paperback, 2010 ed.)
Ulrich Koebler, Andreas Hoser
R5,119 Discovery Miles 51 190 Ships in 10 - 15 working days

Spin wave theory of magnetism and BCS theory of superconductivity are typical theories of the time before renormalization group (RG) theory. The two theories consider atomistic interactions only and ignore the energy degrees of freedom of the continuous (infinite) solid. Since the pioneering work of Kenneth G. Wilson (Nobel Prize of physics in 1982) we know that the continuous solid is characterized by a particular symmetry: invariance with respect to transformations of the length scale. Associated with this symmetry are particular field particles with characteristic excitation spectra. In diamagnetic solids these are the well known Debye bosons. This book reviews experimental work on solid state physics of the last five decades and shows in a phenomenological way that the dynamics of ordered magnets and conventional superconductors is controlled by the field particles of the infinite solid and not by magnons and Cooper pairs, respectively. In the case of ordered magnets the relevant field particles are called GSW bosons after Goldstone, Salam and Weinberg and in the case of superconductors the relevant field particles are called SC bosons. One can imagine these bosons as magnetic density waves or charge density waves, respectively. Crossover from atomistic exchange interactions to the excitations of the infinite solid occurs because the GSW bosons have generally lower excitation energies than the atomistic magnons. According to the principle of relevance the dynamics is governed by the excitations with the lowest energy. The non relevant atomistic interactions with higher energy are practically unimportant for the dynamics.

High-Temperature Superconductors (Paperback, 2010 ed.): Ajay Kumar Saxena High-Temperature Superconductors (Paperback, 2010 ed.)
Ajay Kumar Saxena
R4,102 Discovery Miles 41 020 Ships in 10 - 15 working days

The aim of this book is to acquaintthe reader with the phenomenon of sup- conductivity and the high temperature superconductors discovered in 1986 by Bednorz and Muller. Just after this discovery, a lot of research work was carried out by the scientists worldwide over for more than about 10 years. This book describes the superconductivity phenomenon (Chap. 1), the structureofhighT superconductors(Chap.2), thecriticalcurrents(Chap.3), c synthesis of high T superconductors (Chap. 3), the superconductivity in c cuprates (Chap. 4), proximity e?ect and SQUID devices, their design criteria and noise aspects (Chap. 6), theories (Chap. 7) and applications (Chap. 8). TheauthorisgratefultoProfessorO.N.Srivastava, BanarasHinduUniv- sity, VaranasiforvaluableguidanceanddiscussionsduringPh.D.tenureofthe author andalsothankful to Prof.R.S. Tiwari, Dr. K.Ramakrishna, Dr. Balak Das, Dr. K.K. Verma, Dr. G.D. Varma andDr. H.K. Singh, who workedalong with the author during researchat B.H.U., leading to his Ph.D. The author is thankful to Prof. D.P. Tiwari (Head, Physics Department, A.P.S. University, Rewa), Dr. A.P. Mishra and Dr. S.L. Agrawal, Physics Department, A.P.S. University, for boosting the morale. The author is thankful to scientists and researchers whose work/papers have been consulted for preparing the manuscript. Further I wish to express thanks to Mr. Dharmendra Saxena for preparing type-sc

Ray Optics, Fermat's Principle, and Applications to General Relativity (Paperback, Softcover reprint of the original 1st... Ray Optics, Fermat's Principle, and Applications to General Relativity (Paperback, Softcover reprint of the original 1st ed. 2000)
Volker Perlick
R4,348 Discovery Miles 43 480 Ships in 10 - 15 working days

All kind ofinformationfrom distant celestialbodies comestous intheform of radiation. Inmost the of electromagnetic cases thisradiation propagation be can as a reasonable in described, terms of This is approximation, rays. truenot inthe but also inthe radio only ofthe electro opticalrange range Forthis the of reason laws areoffundamental magneticspectrum. optics ray for importance and astronomy, astrophysics, cosmology. to According arethe of general relativity, light light likegeodesics a rays Lorentzianmetric whichthe is described. how by spacetimegeometry This, is true as as the under the ever, only long light are rays freelypropagating influence ofthe fieldwhich is coded in the only gravitational spacetime ge If a is in an medium ometry. light ray influenced, addition, by optical (e. g. , then it will not follow ofthe by a a plasma), light like geodesic spacetime metric. It is true that for radiation the electromagnetic traveling through universe the influence ofamedium on the ofthe and usually path on ray the is small. there are several cases inwhich this influ frequency However, ence is well in inthe radio For measurable, particular very range. example, the deflection ofradio inthe field oftheSun is consider gravitational rays influenced the Solarcorona. currentand ably by Moreover, planned Doppler with microwaves in the Solar reach in the an experiments system accuracy 5 of 10 15 whichmakes it totakethe influence frequency Awlw necessary ofthe medium into account.

One-Dimensional Conductors (Paperback, Softcover reprint of the original 1st ed. 1988): Seiichi Kagoshima, Hiroshi Nagasawa,... One-Dimensional Conductors (Paperback, Softcover reprint of the original 1st ed. 1988)
Seiichi Kagoshima, Hiroshi Nagasawa, Takashi Sambongi
R2,860 Discovery Miles 28 600 Ships in 10 - 15 working days

This volume deals with physical properties of electrically one-dimensional conductors. It includes both a description of basic concepts and a review of recent progress in research. One-dimensional conductors are those materials in which an electric current flows easily in one specific crystal direction while the resistivity is very high in transverse directions. It was about 1973 when much attention began to be focussed on them and investigations started in earnest. The research was stimulated by the successful growth of crystals of the organic conductor TTF-TCNQ and of the inorganic conductor KCP. New concepts, characteristic of one dimension, were established in the in vestigations of their properties. Many new one-dimensional conductors were also found and synthesized. This field of research is attractive because of the discovery of new ma terials, phenomena and concepts which have only recently found a place in the framework of traditional solid-state physics and materials science. The relation of this topic to the wider field of solid-state sciences is therefore still uncertain. This situation is clearly reflected in the wide distribution of the fields of specialization of researchers. Due to this, and also to the rapid progress of research, no introductory book has been available which covers most of the important fields of research on one-dimensional conductors."

Fermi Surface Effects - Proceedings of the Tsukuba Institute Tsukuba Science City, Japan, August 27-29, 1987 (Paperback,... Fermi Surface Effects - Proceedings of the Tsukuba Institute Tsukuba Science City, Japan, August 27-29, 1987 (Paperback, Softcover reprint of the original 1st ed. 1988)
Jun Kondo, A. Yoshimori
R2,833 Discovery Miles 28 330 Ships in 10 - 15 working days

This volume is the proceedings of the Tsukuba Institute '87 on Fermi Surface Effects, which was held August 27-29, 1987, at Tsukuba Science City in Japan. The topic of the Institute, Fermi surface effects, is one of the fascinating subjects of solid-state physics. It has been known since Sommerfeld's work that the conduction electrons of metals constitute a degenerate Fermi system, and it has also been recognized that the occu pation number of the electron states has a discontinuity across the Fermi surface. Several basic properties of metal electrons stem from this fact. Furthermore, it gives rise to a singular response of the metal electrons to local and dynamical perturbations of low frequency. Such singular behav ior of the metal electrons is called a Fermi surface effect. In his opening address, printed as the Foreword, Professor R. Kubo described Fermi sur face effects as due to "wild" behavior of the metal electrons. The Institute co sisted of five invited lectures, each of which was two hours long and dealt with theoretical aspects of a subject related to Fermi surface effects. Each lecturer is an expert in the field, and gave an in tensive treatment of his own subject. The experiment of inviting only very few lecturers and allotting them ample time for both presentation and discussion seems to have been successful. This Institute, which was sponsored by the Japan Industrial Technology Association, will probably be followed by other institutes, forming a series."

A Development of the Equations of Electromagnetism in Material Continua (Paperback, Softcover reprint of the original 1st ed.... A Development of the Equations of Electromagnetism in Material Continua (Paperback, Softcover reprint of the original 1st ed. 1990)
Harry F. Tiersten
R2,837 Discovery Miles 28 370 Ships in 10 - 15 working days

This tract is based on lecture notes for a course in mechanics that has been offered at Rensselaer Polytechnic Institute on and off for the past twenty years. The course is intended to provide graduate students in mechanics with an understanding of electromagnetism and prepare them for studies on the interaction of the electric and magnetic fields with deformable solid continua. As such, it is imperative that the distinction between particle and continuum descriptions of matter be carefully made and that the distinction between that which is inherently linear and that which is intrinsically nonlinear be clearly delineated. Every possible effort has been made on my part to achieve these ends. I wish to acknowledge the contributions of a number of students and faculty who attended the lectures over the years and who, by their questions and suggestions, significantly improved some of the sections. This preface would not be complete if I did not point out that my interest in electromagnetism was initiated and my attitude towards the development of the equations was influenced by lectures given by the late Professor R.D. Mindlin at Columbia University in the late nineteen fifties. I would like to thank Professor C. Truesdell for his helpful suggestions, which I feel significantly improved the clarity and readability of the Introduction, and Dr. M.G. Ancona for his comment concerning the clarity of an important point in Sec. 1.1.

Magnetism and the Electronic Structure of Crystals (Paperback, Softcover reprint of the original 1st ed. 1992): Vladimir A.... Magnetism and the Electronic Structure of Crystals (Paperback, Softcover reprint of the original 1st ed. 1992)
Vladimir A. Gubanov, Alexandr I. Liechtenstein, Andrei V. Postnikov
R2,842 Discovery Miles 28 420 Ships in 10 - 15 working days

The quantum theory of magnetism is a well-developed part of contemporary solid-state physics. The basic concepts of this theory can be used to describe such important effects as ferromagnetic ordering oflocalized magnetic moments in crystals and ferromagnetism of metals produced by essentially delocalized electrons, as well as various types of mutual orientation of atomic magnetic moments in solids possessing different crystal lattices and compositions. In recent years, the spin-fluctuational approach has been developed, which can overcome some contradictions between "localized" and "itinerant" models in the quantum mechanics of magnetic crystals. These are only some of the principal achievements of quantum magnetic theory. Almost all of the known magnetic properties of solids can be qualitat ively explained on the basis of its concepts. Further developments should open up the possibility of reliable quantitative description of magnetic properties of solids. Unfortunately, such calculations based on model concepts appear to be very complicated and, quite often, not definite enough. The rather small number of parameters of qualitative models are usually not able to take into account the very different types of magnetic interactions that appear in crystals. Further development of magnetic theory requires quantitative information on electronic wave function in the crystal considered. This can be proved by electronic band structure and cluster calculations. In many cases the latter can be a starting point for quantitative calculations of parameters used in magnetic theory."

Electric Power Principles - Sources, Conversion, Distribution and Use 2nd Edition (Hardcover, 2nd Edition): JL Kirtley Electric Power Principles - Sources, Conversion, Distribution and Use 2nd Edition (Hardcover, 2nd Edition)
JL Kirtley
R2,517 R2,348 Discovery Miles 23 480 Save R169 (7%) Ships in 12 - 19 working days

A revised and updated text that explores the fundamentals of the physics of electric power handling systems The revised and updated second edition of Electric Power Principles: Sources, Conversion, Distribution and Use offers an innovative and comprehensive approach to the fundamentals of electric power. The author - a noted expert on the topic - provides a thorough grounding in electric power systems, with an informative discussion on per-unit normalisations, symmetrical components and iterative load flow calculations. The text covers the most important topics within the power system, such as protection and DC transmission, and examines both traditional power plants and those used for extracting sustainable energy from wind and sunlight. The text explores the principles of electromechanical energy conversion and magnetic circuits and synchronous machines - the most important generators of electric power. The book also contains information on power electronics, induction and direct current motors. This new second edition includes: A new chapter on energy storage, including battery modeling and how energy storage and associated power electronics can be used to modify system dynamics Information on voltage stability and bifurcation The addition of Newton's Method for load flow calculations Material on the grounding transformer connections added to the section on three phase transformer An example of the unified power flow controller for voltage support Written for students studying electric power systems and electrical engineering, the updated second edition of Electric Power Principles: Sources, Conversion, Distribution and Use is the classroom-tested text that offers an understanding of the basics of the physics of electric power handling systems.

Mechanisms of High Temperature Superconductivity - Proceedings of the 2nd NEC Symposium, Hakone, Japan, October 24-27, 1988... Mechanisms of High Temperature Superconductivity - Proceedings of the 2nd NEC Symposium, Hakone, Japan, October 24-27, 1988 (Paperback, Softcover reprint of the original 1st ed. 1989)
Hiroshi Kamimura, Atsushi Oshiyama
R2,890 Discovery Miles 28 900 Ships in 10 - 15 working days

Since the discovery by Bednorz and Muller of Cu-O alloys displaying high temperature superconductivity, great energy has been put into research in this field. One of the most important and interesting issues, and the subject of this volume, is the clarification of the microscopic origin and mechanism of high temperature superconductivity. This book discusses the latest experimental results on magnetic, optical, electrical, thermal and mechanical properties of the Cu-O and Bi-O superconductors, as well as proposed theoretical models of the mechanisms. The participants in the symposium agreed that for the high Tc Cu-O superconductors electron correlation effects are of central importance. For the Bi-O superconductors the main topic was whether the mechanism of superconductivity is the same as that of high Tc Cu-O superconductors. What was and what was not resolved at the symposium is summarized at the end of the volume.

Hydrodynamic and Magnetohydrodynamic Turbulent Flows - Modelling and Statistical Theory (Paperback, Softcover reprint of... Hydrodynamic and Magnetohydrodynamic Turbulent Flows - Modelling and Statistical Theory (Paperback, Softcover reprint of hardcover 1st ed. 1998)
A. Yoshizawa
R7,097 Discovery Miles 70 970 Ships in 10 - 15 working days

TUrbulence modeling encounters mixed evaluation concerning its impor tance. In engineering flow, the Reynolds number is often very high, and the direct numerical simulation (DNS) based on the resolution of all spatial scales in a flow is beyond the capability of a computer available at present and in the foreseeable near future. The spatial scale of energetic parts of a turbulent flow is much larger than the energy dissipative counterpart, and they have large influence on the transport processes of momentum, heat, matters, etc. The primary subject of turbulence modeling is the proper es timate of these transport processes on the basis of a bold approximation to the energy-dissipation one. In the engineering community, the turbulence modeling is highly evaluated as a mathematical tool indispensable for the analysis of real-world turbulent flow. In the physics community, attention is paid to the study of small-scale components of turbulent flow linked with the energy-dissipation process, and much less interest is shown in the foregoing transport processes in real-world flow. This research tendency is closely related to the general belief that universal properties of turbulence can be found in small-scale phenomena. Such a study has really contributed much to the construction of statistical theoretical approaches to turbulence. The estrangement between the physics community and the turbulence modeling is further enhanced by the fact that the latter is founded on a weak theoretical basis, compared with the study of small-scale turbulence."

Paleomagnetology (Paperback, Softcover reprint of the original 1st ed. 1987): Aleksey N. Khramov Paleomagnetology (Paperback, Softcover reprint of the original 1st ed. 1987)
Aleksey N. Khramov; Translated by Valentina P Grudina; Edited by (associates) D.H. Tarling
R2,897 Discovery Miles 28 970 Ships in 10 - 15 working days

This book explores the basic principles and methods of paleomagnetology and gives a systematic description of paleomagnetic phenomena such as geomagnetic reversals, paleosecular variations, long-term intensity changes and apparent polar wandering paths. Special emphasis is laid on results obtained from research work done in the Soviet Union. Together with data from other parts of the world they allow the critical discussion of aspects of magnetostratigraphy, plate tectonics and accretion tectonics. In diesem Buch werden grundlegende Fragen der Palaomagnetologie und des Palaomagnetismus abgehandelt. Durch die Einbeziehung zahlreicher Daten aus der Sowjetunion werden Probleme der Magnetostratigraphie sowie der Platten- und Akkretionstektonik kritisch beleuchtet.

Surface Effects in Magnetic Nanoparticles (Paperback, Softcover reprint of hardcover 1st ed. 2005): Dino Fiorani Surface Effects in Magnetic Nanoparticles (Paperback, Softcover reprint of hardcover 1st ed. 2005)
Dino Fiorani
R1,551 Discovery Miles 15 510 Ships in 10 - 15 working days

A collection of articles on different approaches to the investigation of surface effects on nanosized magnetic materials, with special emphasis on magnetic nanoparticles. The book provides an overview of progress in the field through recent results.

Molecular Magnetism: From Molecular Assemblies to the Devices (Paperback, Softcover reprint of hardcover 1st ed. 1996): E.... Molecular Magnetism: From Molecular Assemblies to the Devices (Paperback, Softcover reprint of hardcover 1st ed. 1996)
E. Coronado, Pierre Delhaes, D Gatteschi, Joel S. Miller
R13,781 Discovery Miles 137 810 Ships in 10 - 15 working days

Molecular Magnetism: From Molecular Assemblies to the Devices reviews the state of the art in the area. It is organized in two parts, the first of which introduces the basic concepts, theories and physical techniques required for the investigation of the magnetic molecular materials, comparing them with those used in the study of classical magnetic materials. Here the reader will find: (i) a detailed discussion of the electronic processes involved in the magnetic interaction mechanisms of molecular systems, including electron delocalization and spin polarization effects; (ii) a presentation of the available theoretical models based on spin and Hubbard Hamiltonians; and (iii) a description of the specific physical investigative techniques used to characterize the materials. The second part presents the different classes of existing magnetic molecular materials, focusing on the possible synthetic strategies developed to date to assemble the molecular building blocks ranging from purely organic to inorganic materials, as well as on their physical properties and potential applications. These materials comprise inorganic and organic ferro- and ferrimagnets, high nuclearity organic molecules and magnetic and metallic clusters, spin crossover systems, charge transfer salts (including fulleride salts and organic conductors and superconductors), and organized soft media (magnetic liquid crystals and Langmuir-Blodgett films).

Magnetic Multilayers and Giant Magnetoresistance - Fundamentals and Industrial Applications (Paperback, Softcover reprint of... Magnetic Multilayers and Giant Magnetoresistance - Fundamentals and Industrial Applications (Paperback, Softcover reprint of hardcover 1st ed. 2000)
H.A.M. van den Berg; Edited by U. Hartmann; Contributions by R. Coehoorn, M.A.M. Gijs, P. Grunberg, …
R4,360 Discovery Miles 43 600 Ships in 10 - 15 working days

This unified overview of recent progress in a growing, multi-disciplinary field places special emphasis on the industrial applications of magnetic multilayered materials. The text describes a wide range of physical aspects, together with experimental and theoretical methods.

Magnetism: A Supramolecular Function (Paperback, Softcover reprint of hardcover 1st ed. 1996): O. Kahn Magnetism: A Supramolecular Function (Paperback, Softcover reprint of hardcover 1st ed. 1996)
O. Kahn
R8,393 Discovery Miles 83 930 Ships in 10 - 15 working days

Molecular magnetism is a new field of research dealing with the synthesis and study of the physical properties of molecular assemblies involving open-shell units. It is essentially interdisciplinary, joining together organic, organometallic and inorganic chemists, as well as theoreticians, physicists and materials scientists.
At the core of research into molecular magnetism lie design and synthesis of new molecular assemblies exhibiting bulk properties such as long-range magnetic ordering or bistability with an hysteresis effect, which confers a memory effect on the system. In such terms, magnetism may be considered a supramolecular function.
The first eight contributions to this volume present the state of the art in organic supramolecular chemistry, emphasising interlocked systems and molecular trees. The following six articles are devoted to molecular materials constructed from organic radicals and transition metal units. Molecular bistability is then focused on, followed by metal-organic and coordination magnetic materials. A new approach to nano-sized particles closes the work.

Applied Magnetism (Paperback, Softcover reprint of hardcover 1st ed. 1994): R. Gerber, C. D Wright, G. Asti Applied Magnetism (Paperback, Softcover reprint of hardcover 1st ed. 1994)
R. Gerber, C. D Wright, G. Asti
R8,372 Discovery Miles 83 720 Ships in 10 - 15 working days

This book is based on the contributions to a course, entitled Applied Magnetism, which was the 25th Course of the International School of Materials Science and Technology. The Course was held as a NATO Advanced Study Institute at the Ettore Majorana Centre in Erice, Sicily, Italy between the 1st and 12th July 1992, and attracted almost 70 participants from 15 different countries. The book deals with the theory, experiments and applications of the main topical areas of applied magnetism. These selected areas include the physics of magnetic recording, magnetic and magneto-optic recording devices, systems and media, magnetic fine particles, magnetic separation, domains and domain walls in soft magnetic materials, permanent magnets, magnetoresistance, thin film magneto-optics, and finally, microwave, optical and computational magnetics. The material is organised into I 0 self-contained chapters which together provide a comprehensive coverage of the subject of applied magnetism. The aim is to emphasise the connection between the fundamental theoretical concepts, key experiments and the important technological developments which have been achieved in this field up to the present time. Moreover, when and where possible, pointers to future trends are indicated which hopefully, together with the background material, will promote further advancement of research. The organizing committee would like to acknowledge the sponsorship of the NATO Scientific Affairs Division, the National Science Foundation of the USA, the Science and Engineering Research Council of the UK, the Italian Ministry of Education, the Italian Ministry of University and Scientific Research and the Sicilian Regional Government.

Magneto-Optics (Paperback, Softcover reprint of hardcover 1st ed. 2000): Satoru Sugano, Norimichi Kojima Magneto-Optics (Paperback, Softcover reprint of hardcover 1st ed. 2000)
Satoru Sugano, Norimichi Kojima
R4,364 Discovery Miles 43 640 Ships in 10 - 15 working days

Edited by two pioneers of magneto-optics, this book is designed to provide graduate students and researchers with an introductory state-of-the-art review of recent developments in this subject. The field encompasses important areas in solid-state physics, chemical physics and electrical engineering. The book deals with optical spectroscopy of paramagnetic, antiferromagnetic, and ferromagnetic materials, photo-induced magnetism and their applications to opto-electronics.

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