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Inhomogeneous Superconductivity
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Book Synopsis Nanoscience and Engineering in Superconductivity by : Victor Moshchalkov
Download or read book Nanoscience and Engineering in Superconductivity written by Victor Moshchalkov and published by Springer Science & Business Media. This book was released on 2010-11-10 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: For emerging energy saving technologies superconducting materials with superior performance are needed. Such materials can be developed by manipulating the "elementary building blocks" through nanostructuring. For superconductivity the "elementary blocks" are Cooper pair and fluxon (vortex). This book presents new ways how to modify superconductivity and vortex matter through nanostructuring and the use of nanoscale magnetic templates. The basic nano-effects, vortex and vortex-antivortex patterns, vortex dynamics, Josephson phenomena, critical currents, and interplay between superconductivity and ferromagnetism at the nanoscale are discussed. Potential applications of nanostructured superconductors are also presented in the book.
Book Synopsis Advances in Organic Conductors and Superconductors by : Martin Dressel
Download or read book Advances in Organic Conductors and Superconductors written by Martin Dressel and published by MDPI. This book was released on 2018-10-04 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Advances in Organic Conductors and Superconductors" that was published in Crystals
Book Synopsis Inhomogeneous Superconductors--1979 (Berkeley Springs, W.V.) by : Donald Urban Gubser
Download or read book Inhomogeneous Superconductors--1979 (Berkeley Springs, W.V.) written by Donald Urban Gubser and published by . This book was released on 1980 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Superconductors: From Granular To High Tc by : Guy Deutscher
Download or read book New Superconductors: From Granular To High Tc written by Guy Deutscher and published by World Scientific. This book was released on 2006-08-04 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: How new are the high Tc superconductors, as compared to the conventional low Tc ones? In what sense are these oxides different from regular metals in their normal state? How different is the mechanism for high Tc superconductivity from the well-known electron-phonon interaction that explains so well superconductivity in metals and alloys? What are the implications of the new features of the high Tc oxides for their practical applications? This interesting book aims to provide some answers to those questions, drawing particularly on similarities between the high Tc oxides and granular superconductors, which also present a short coherence length and a small superfluid density.
Book Synopsis Mechanisms of High Temperature Superconductivity by : Hiroshi Kamimura
Download or read book Mechanisms of High Temperature Superconductivity written by Hiroshi Kamimura and published by Springer Science & Business Media. This book was released on 2013-03-07 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the discovery by Bednorz and Müller 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.
Book Synopsis Room-temperature Superconductivity by : Andrei Mourachkine
Download or read book Room-temperature Superconductivity written by Andrei Mourachkine and published by Cambridge Int Science Publishing. This book was released on 2004 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation The first book dealing with the subject of room-temperature conductivity.
Book Synopsis Transport Properties Of Superconductors - Proceedings Of The International Conference by : Nicolsky Roberto
Download or read book Transport Properties Of Superconductors - Proceedings Of The International Conference written by Nicolsky Roberto and published by World Scientific. This book was released on 1990-08-28 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Conference is designed to cover the entire field of current-carrying properties of superconductors, either metallic alloys or the new high-Tc metallic oxides. Related topics will be treated as well as the large scale applications. Topics covered include magnetization and flux behaviour, current transport and critical currents, Josephson junctions and proximity effect, microwave absorption and rf surface resistance, thermal conductivity and specific heat, Hall effect and thermoelectric power, thermal fluctuations and paraconductivity, applications of high-Tc materials.
Book Synopsis Pseudogap and Precursor Superconductivity Study of Zn doped YBCO by : Ece Uykur
Download or read book Pseudogap and Precursor Superconductivity Study of Zn doped YBCO written by Ece Uykur and published by Springer. This book was released on 2015-02-26 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, the pseudogap and the precursor superconducting state, which are of great importance in clarifying the superconductivity mechanism in high-temperature cuprate superconductors, are investigated with a c-axis optical study in YBa2(Cu1-xZnx)3Oy. Testing was performed over a wide energy range with smaller temperature intervals for several Zn-substituted samples, as well as for several carrier-doping levels. A spectral weight (SW) analysis, in which the pseudogap behavior can be separated from the superconducting condensate with the SW transfer to the high-energy region, revealed that the pseudogap is not the precursor of the superconductivity (carriers moving to the high-energy region with pseudogap opening never contribute to the superconducting condensation). Moreover, the high-energy transfer continues even below Tc for the Zn-substituted samples (in which we weaken the superconductivity), which gives evidence to the coexistence of the pseudogap and the superconducting gap below Tc. On the other hand, the analysis of optical conductivity revealed that a precursor state to superconductivity can be defined at temperatures much higher than Tc. The superconducting carrier density (ns) was calculated for each temperature (above and below Tc) and the results confirmed the existence of ns at temperatures above Tc. The observed real superconducting condensate (ns) above Tc puts a serious constraint on the theory for high- Tc superconductivity. A theory based on an inhomogeneous superconducting state, in which a microscopically phase-separated state in a doped Mott insulator can be observed, is the most plausible candidate. This theory can explain the existence of ns and the observed temperature range for the precursor superconducting state. The results obtained show that the pseudogap coexists with superconductivity below Tc and is not the precursor of superconductivity. On the other hand, it is also possible to define a precursor superconducting state that is different than the pseudogap. The temperature range and the observed superconducting condensate in this state can be explained with the help of the inhomogeneous superconducting state.
Book Synopsis Magnetism and Superconductivity by : Laurent-Patrick Levy
Download or read book Magnetism and Superconductivity written by Laurent-Patrick Levy and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: This up-to-date work presents a modern vision of magnetism and superconductivity covering both microscopic and phenomenological aspects. The basic information is illustrated with the help of current research topics such as the quantum Hall effect or mesoscopic aspects of superconductivity.
Book Synopsis Recent Developments in Superconductivity Research by : Barry P. Martins
Download or read book Recent Developments in Superconductivity Research written by Barry P. Martins and published by Nova Publishers. This book was released on 2007 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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, world-wide, 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 volume brings together new leading-edge research in the field.
Book Synopsis Sustained Simulation Performance 2021 by : Michael M. Resch
Download or read book Sustained Simulation Performance 2021 written by Michael M. Resch and published by Springer Nature. This book was released on 2023-02-17 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the state of the art in High-Performance Computing on modern supercomputer architectures. It addresses trends in hardware and software development in general. The contributions cover a broad range of topics, from performance evaluations in context with power efficiency to Computational Fluid Dynamics and High-Performance Data Analytics. In addition, they explore new topics like the use of High-Performance Computers in the field of Artificial Intelligence and Machine Learning. All contributions are based on selected papers presented in 2021 at the 31st Workshop on Sustained Simulation Performance, WSSP31, held at HLRS in Stuttgart, Germany, and WSSP32, held at Tohoku University in Sendai, Japan.
Book Synopsis Superconducting State by : Vladimir Kresin
Download or read book Superconducting State written by Vladimir Kresin and published by Oxford University Press. This book was released on 2021 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the reader with a detailed theoretical treatment of the key mechanisms of superconductivity, up to the current state of the art (phonons, magnons, plasmons). In addition, the book describes the properties of key superconducting compounds that are of most interest for science and its applications today. For many years there has been a search for new materials with higher values of the main parameters, such as the critical temperature and the critical current. At present, the possibility to observe superconductivity at room temperature has become perfectly realistic. The book is especially concerned with high Tc systems, such as the high Tc oxides, hydrides with record values of the critical temperature under high pressure, nanoclusters, etc. A number of interesting novel superconducting systems have been discovered recently. Among them: topological materials, interface systems, intercalated graphene. The book contains rigorous derivations, based on statistical mechanics and many-body theory. The book is also providing qualitative explanations of the main concepts and results, which makes it accessible and interesting for a broader readership.
Book Synopsis Superconductivity and Localization by : Michael V. Sadovskii
Download or read book Superconductivity and Localization written by Michael V. Sadovskii and published by World Scientific. This book was released on 2000 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a review of theoretical and experimental work on the problem of the interplay of Anderson localization and superconductivity in strongly disordered systems. Superconductivity persists close to disorder-induced metal-insulator transition in a number of real systems, e.g. amorphous metals and compounds, systems dis-ordered by fast neutron irradiation, systems with impurities, etc. High temperature superconductors are especially interesting from this point of view, as the experiments with controllable disordering may provide important clues to the nature of electronic states in these systems. The book starts with a brief discussion on modern aspects of localization theory, including the basic concept of scaling, self-consistent theory of localization and interaction effects. After that it analyzes disorder effects on Cooper pairing and superconductivity transition temperature as well as Ginzburg-Landau equations for superconductors that are close to the Anderson transition. A necessary generalization of the usual theory of dirty superconductors is formulated which allows one to analyze anomalies of the main superconducting properties close to disorder-induced metal-insulator transition. Finally, the book reviews a number of experiments demonstrating superconductivity close to the Anderson transition, in both traditional and high T(c) superconductors.
Book Synopsis Novel Superconductivity by : Stuart A. Wolf
Download or read book Novel Superconductivity written by Stuart A. Wolf and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1086 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Novel Mechanisms of Superconductivity Conference was initially conceived in the early part of 1986 as a small, 2-1/2 day workshop of 40-70 scientists, both theorists and experimentalists interested in exploring the possible evidence for exotic, non phononic superconductivity. Of course, the historic discoveries of high temperature oxide superconductors by Bednorz and Mftller and the subsequent enhancements by the Houston/Alabama groups made such a small conference impractical. The conference necessarily had to expand, 2-1/2 days became 4-1/2 days and superconductivity in the high Tc oxides became the largest single topic in the workshop. In fact, this conference became the first major conference on this topic and thus, these proceedings are also the first maj or publication. However, heavy fermion, organic and low carrier concentration superconductors remained a very important part of this workshop and articles by the leaders in these fields are included in these proceedings. Ultimately the workshop hosted rearly 400 scientists, students and media including representatives from the maj or research groups in the U.S., Europe, Japan and the Soviet Union.
Download or read book Superconductors written by A. V. Narlikar and published by Oxford University Press. This book was released on 2014-04-03 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Superconductors is neither about basic aspects of superconductivity nor about its applications, but its mainstay is superconducting materials. Unusual and unconventional features of a large variety of novel superconductors are presented and their technological potential as practical superconductors assessed. The book begins with an introduction to basic aspects of superconductivity. The presentation is readily accessible to readers from a diverse range of scientific and technical disciplines, such as metallurgy, materials science, materials engineering, electronic and device engineering, and chemistry. The derivation of mathematical formulas and equations has been kept to a minimum and, wherever necessary, short appendices with essential mathematics have been added at the end of the text. The book is not meant to serve as an encyclopaedia, describing each and every superconductor that exists, but focuses on important milestones in their exciting development.
Book Synopsis Ten Years of Superconductivity: 1980–1990 by : H.R. Ott
Download or read book Ten Years of Superconductivity: 1980–1990 written by H.R. Ott and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: The unexpected and therefore really amazing discovery of J. G. Bednorz and K. A. R32 Miiller , that certain oxide compounds enter a superconducting state at temperatures above 30 K pushed research on superconductivity into the limelight of science in general in a way that seemed reserved for a while for high-energy or particle physics only. The common interest was then even more aroused when subsequent work rather quickly established that in the same class of compounds (oxides), critical temperatures of superconductivity above R36 the boiling point of nitrogen could be achieved . It might therefore be expected, that this entire review would solely deal with superconductivity at high temperatures, i. e. , above the boiling point of hydrogen. From my point of view, however, any unexpected occurrence of superconductivity is a challenge to scientists interested either in the physics of this phenomenon or in its materials-science aspects. In this respect, the last ten years have been quite revolutionary in the sense that on various occasions, superconductivity was discovered in materials whose physical properties were not obviously favourable for adopting this ground state. This period started with the observation that homogeneous coexistence of superconductivity and magnetic order in the same material was possible. Later it was found that electrons whose effective mass was tremendously enhanced by magnetic interactions, may also form a superconducting state, namely in materials that were subsequently identified as heavy electron superconductors.
Book Synopsis Superconductivity in d-and f=Band Metals by : Harry Suhl
Download or read book Superconductivity in d-and f=Band Metals written by Harry Suhl and published by Elsevier. This book was released on 2012-12-02 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Superconductivity in d- and f-Band Metals focuses on the establishment of systematics among d- and f-band metals, with emphasis towards developing a fundamental theory with predictive capability for these complex materials. This book examines the unique physical qualities of the d- and f-band metals that challenge our basic understanding of several general aspects of superconductivity. Organized into 59 chapters, this compilation of papers starts with an overview of the homogeneity in d- and f-band systems that offer the opportunity for relating superconductivity to the normal state microscopic parameters. This book then explores several topics, including superconductors, phonon effects, electronic structure, A-15 systematics, as well as disorder and transport. Other chapters discuss the interrelationships between superconductivity and magnetism. This text discusses as well the magnetic field dependent effects in the rare-earth ternary compounds. The final chapter deals with the complexity of the crystal structures. This book is a valuable resource for materials scientists and physicists.
