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The fluctuational theory of superconductivity predicted the existence of high-temperature superconductivity in compounds of rare-earth metals, in ceramic systems, and polymers before its experimental discovery by Bednorz and Müller. This prediction was published in the 1986 (Russian) edition of this monograph. The theory is based on the enhancement of conductivity by fluctuations in the electron spin that arise due to the exchange nature of electron-phonon interactions.This text is intended for physicists and chemists investigating and synthesizing new high temperature superconducting materials. Methods of increasing the critical temperature of high-temperature superconductors are proposed. Macroscopic properties of high-temperature superconductors are investigated both in the superconducting and normal phases by using the theory of gauge fields, differential geometry, and topology. In view of these methods, the book should also be of interest to mathematicians working in nonlinear differential equations. ... Read more

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Significant recent advances in the field of high temperature superconductivity have been achieved in a wide variety of research problems. The reports contained in this volume bear witness to the progress made and provide the reader with a compact account of the latest findings in many areas. The major categories that are dealt with are physics and chemistry, thin films, bulk materials, wires, tapes, devices and systems. Of particular interest are the reports from Japanese companies outlining R&D trends in the field of high-Tc superconductivity. ... Read more

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This volume presents the latest developments in the field of high temperature superconductivity. It focusses on microscope description, physical properties, and materials and applications. The talks presented have been extensively edited and updated in order to present a valuable resource not only for the advanced reader, but also for a larger readership seeking reviews of current problems in high temperature superconductivity. These proceedings are a follow-up of a previous meeting which has been published as Volume 475 of the Lecture Notes in Physics. ... Read more

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Superconductivity has become one of the most intensely studied physical phenomena of our times, with tremendous potential to revolutionize fields as diverse as computing and transportation. This book describes the methods, established results, and recent advances in the field.The goal is to present recently developed theoretical models in light of the long-sought aim of achieving the effect at very high temperatures.The book includes a detailed review of various mechanisms, including phononic, magnetic, and electronic models.The authors focus on the phenomenon of induced superconductivity in the high-temperature oxides, particularly the high-transition-temperature cuprates.They also discuss a variety of low-temperature superconducting systems in conventional materials and organics.The book links the crucial experiments with the most current theories, offering a unified description of the phenomenon.All researchers (and graduate-level) students involved with work in superconductivity will find this an invaluable resource, including solid-state and condensed-matter physicists and chemists, and materials scientists. ... Read more

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University and major research libraries will find this volume indispensable. It contains the proceedings of the 1999 University of Miami Conference on High Temperature Superconductivity. Described are the physical properties, microscopic theory mechanisms for high-temperature superconductivity, included are related topics (e.g., ladders, manganites, nickelates). The most important experimental and theoretical developments in high temperature superconductivity as of spring 1999 are covered. It is essential reading for all professionals in this field. ... Read more

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Theory of Superconductivity: From Weak to Strong Coupling leads the reader from basic principles through detailed derivations and a description of the many interesting phenomena in conventional and high-temperature superconductors. The book describes physical properties of novel superconductors, in particular, the normal state, superconducting critical temperatures and critical fields, isotope effects, normal and superconducting gaps, tunneling, angle-resolved photoemission, stripes, and symmetries.

The book divides naturally into two parts. Part I introduces the phenomenology of superconductivity, the microscopic BCS theory, and its extension to the intermediate coupling regime. The first three chapters of this part cover generally accepted themes in the conventional theory of superconductivity and serve as a good introduction to the subject. Chapter 4 describes what happens to the conventional theory when the coupling between electrons becomes strong. Part II describes key physical properties of high-temperature superconductors and their theoretical interpretation. Alternative viewpoints are discussed, but the emphasis is placed on the bipolaron theory. ... Read more

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These conference proceedings deal with a variety of topics in superconductivity, such as, the theory of normal metals, the strong-coupling theory of superconductivity, the theory of heavy fermions and superconductivity, and the theory of superconductivity in the high Tc materials. ... Read more

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Superconductivity is a phenomenon occurring in certain materials generally at very low temperatures, characterised by exactly zero electrical resistance and the exclusion of the interior magnetic field. Like ferromagnetism and atomic spectral lines, superconductivity is a quantum mechanical phenomenon. It cannot be understood simply as the idealisation of 'perfect conductivity' in classical physics. Furthermore, superconductivity occurs in a wide variety of materials, including simple elements like tin and aluminium, various metallic alloys and some heavily-doped semiconductors. It does not occur in noble metals like gold and silver, nor in pure samples of ferromagnetic metals. This book gathers the latest research from around the globe in this dynamic field and highlights topics such as super-conducting miniundulators, super-conducting transitions in wire networks, the orbital physics of superconductors, the super-conducting circuits of Josephson junctions, and the types of stresses that affect super-conducting properties and behaviour. ... Read more

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The third conference in this series of meetings continues to attract a large number of researchers from all over the world working on theoretical and experimental aspects of superconductivity, and its increasing commercial applications.
This is a valuable reference for all researchers in applied physics to keep abreast of developments in the field. ... Read more

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The realizations of physical systems whose quantum states can be directly manipulated have been pursued for experiments on fundamental problems in quantum mechanics and implementations of quantum information devices. Micro-fabricated superconducting systems and electronic spins are among the most promising candidates. This book contains the newest and most advanced research reports on such materials, called "Mesoscopic Superconductivity" and "Spintronics". The former includes superconductor-semiconductor hybrid systems, very small Josephson junctions, and micron-size SQUIDs. The latter includes the control of spin transports in semiconductor heterostructures, nano-scale quantum dots, and spin injections. Superconductor-ferromagnetic metal hybrid structures are covered by both of the topics. ... Read more

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Superconductivity is the ability of certain materials to conduct electrical current with no resistance and extremely low losses. High temperature superconductors, such as La2-xSrxCuOx (Tc=40K) and YBa2Cu3O7-x (Tc=90K), were discovered in 1987 and have been actively studied since. In spite of an intense, worldwide, research effort during this time, a complete understanding of the copper oxide (cuprate) materials is still lacking. Many fundamental questions are unanswered, particularly the mechanism by which high-Tc superconductivity occurs. More broadly, the cuprates are in a class of solids with strong electron-electron interactions. An understanding of such 'strongly correlated' solids is perhaps the major unsolved problem of condensed matter physics with over ten thousand researchers working on this topic. High-Tc superconductors also have significant potential for applications in technologies ranging from electric power generation and transmission to digital electronics. This ability to carry large amounts of current can be applied to electric power devices such as motors and generators, and to electricity transmission in power lines.For example, superconductors can carry as much as 100 times the amount of electricity of ordinary copper or aluminium wires of the same size. Many universities, research institutes and companies are working to develop high-Tc superconductivity applications and considerable progress has been made. This book presents the latest research in this blossoming field. ... Read more

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This book discusses the impact of recent superconducting materials research, indicating research goals which appear realistic and, if reached, would enable diverse commercial applications of the new materials. ... Read more

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"High-Tc Superconductivity" is based on a meeting held inKiev and contains contributions discussing the most recentachievements in this field. Thebook includes reviewsand original papers covering theoreticalandexperimental aspects of the subject.Keywords: electronic and magnetic properties, metallizationprocesses, emission and optic spectra, lavitation, pinning,frustration and fluctuations, thin films ... Read more