Magnetic Flux Motion And Flux Pinning In Superconductors
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Flux Pinning In Superconductors
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Author : Teruo Matsushita
language : en
Publisher: Springer Science & Business Media
Release Date : 2014-02-20
Flux Pinning In Superconductors written by Teruo Matsushita and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-02-20 with Technology & Engineering categories.
The book covers the flux pinning mechanisms and properties and the electromagnetic phenomena caused by the flux pinning common for metallic, high-Tc and MgB2 superconductors. The condensation energy interaction known for normal precipitates or grain boundaries and the kinetic energy interaction proposed for artificial Nb pins in Nb-Ti, etc. are introduced for the pinning mechanism. Summation theories to derive the critical current density are discussed in detail. Irreversible magnetization and AC loss caused by the flux pinning are also discussed. The loss originally stems from the ohmic dissipation of normal electrons in the normal core driven by the electric field induced by the flux motion. The readers will learn why the resultant loss is of hysteresis type in spite of such mechanism. The influence of the flux pinning on the vortex phase diagram in high Tc superconductors is discussed and the dependencies of the irreversibility field are also described on other quantities such as anisotropy of superconductor, specimen size and electric field strength. Recent developments of critical current properties in various high-Tc superconductors and MgB2 are introduced. Other topics are: singularity in the case of transport current in a parallel magnetic field such as deviation from the Josephson relation, reversible flux motion inside pinning potentials which causes deviation from the critical state model prediction, the concept of the minimization of energy dissipation in the flux pinning phenomena which gives the basis for the critical state model, etc. Significant reduction in the AC loss in AC wires with very fine filaments originates from the reversible flux motion which is dominant in the two-dimensional pinning. The concept of minimum energy dissipation explains also the behavior of flux bundle size which determines the irreversibility line under the flux creep. The new edition has been thoroughly updated, with new sections on the progress in enhancing the critical current density in high temperature superconductors by introduction of artificial pinning centers, the effect of packing density on the critical current density and irreversibility field in MgB2 and derivation of the force-balance equation from the minimization of the free energy including the pinning energy.
Magnetic Flux Motion And Flux Pinning In Superconductors
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Author : Steven C. Sanders
language : en
Publisher:
Release Date : 1992
Magnetic Flux Motion And Flux Pinning In Superconductors written by Steven C. Sanders and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
Superconductivity
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Author : Charles P. Poole
language : en
Publisher: Academic Press
Release Date : 2013-10-22
Superconductivity written by Charles P. Poole and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Science categories.
Superconductivity covers the nature of the phenomenon of superconductivity. The book discusses the fundamental principles of superconductivity; the essential features of the superconducting state-the phenomena of zero resistance and perfect diamagnetism; and the properties of the various classes of superconductors, including the organics, the buckministerfullerenes, and the precursors to the cuprates. The text also describes superconductivity from the viewpoint of thermodynamics and provides expressions for the free energy; the Ginzburg-Landau and BCS theories; and the structures of the high temperature superconductors. The band theory; type II superconductivity and magnetic properties; and the intermediate and mixed states are also considered. The book further tackles critical state models; various types of tunneling and the Josephson effect; and other transport properties. The text concludes by looking into spectroscopic properties. Physicists and astronomers will find the book invaluable.
Superconductivity And Electromagnetism
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Author : Teruo Matsushita
language : en
Publisher: Springer Nature
Release Date : 2025-07-21
Superconductivity And Electromagnetism written by Teruo Matsushita and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-07-21 with Technology & Engineering categories.
This end edition introduces to the characteristic features of electromagnetic phenomena in superconductors, demonstrating how these phenomena not only align with Maxwell’s theory but also expand its scope. By presenting examples of peculiar magnetic behaviors, the book broadens the reader’s understanding of electromagnetism and its implications in superconductivity. The book explores key concepts such as flux pinning, responsible for non-dissipative currents in DC systems and hysteretic irreversibility in AC systems. This irreversibility, akin to friction, arises from the instability in the motion of quantized magnetic flux lines. Additionally, the longitudinal magnetic field effect is examined, highlighting its role in advancing Maxwell’s theory. Through these discussions, readers will gain insights into the dynamics of quantized magnetic flux lines and the critical current density, crucial for the practical application of superconductors. With numerous appendices to support the derivation of complex equations, this book is an essential resource for students and young scientists interested in applied superconductivity, particularly in power applications. It offers a comprehensive introduction to the electromagnetic phenomena in superconductors, from fundamental principles to advanced topics. Graduate students, researchers, and engineers in the electric utility industry will find this book invaluable for its detailed exploration of superconductivity and its applications. Researchers and practitioners in the field of superconductivity, as well as engineers working in the electric utility industry, will benefit from the insights provided in this book. It serves as a critical resource for understanding the electromagnetic phenomena in superconductors and their practical applications, making it a must-read for those seeking to deepen their knowledge in this area.
Nanostructured Superconductors
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Author : Victor V. Moshchalkov
language : en
Publisher: World Scientific
Release Date : 2011
Nanostructured Superconductors written by Victor V. Moshchalkov and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Technology & Engineering categories.
The main focus of the book is to present the effects of nanostructuring on superconducting critical parameters. Optimizing systematically flux and condensate confinement in various nanostructured superconductors, ranging from single nano-cells to their hu
Fundamental Elements Of Applied Superconductivity In Electrical Engineering
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Author : Yinshun Wang
language : en
Publisher: John Wiley & Sons
Release Date : 2013-04-17
Fundamental Elements Of Applied Superconductivity In Electrical Engineering written by Yinshun Wang and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-17 with Technology & Engineering categories.
Superconducting technology is potentially important as one of the future smart grid technologies. It is a combination of superconductor materials, electrical engineering, cryogenic insulation, cryogenics and cryostats. There has been no specific book fully describing this branch of science and technology in electrical engineering. However, this book includes these areas, and is essential for those majoring in applied superconductivity in electrical engineering. Recently, superconducting technology has made great progress. Many universities and companies are involved in applied superconductivity with the support of government. Over the next five years, departments of electrical engineering in universities and companies will become more involved in this area. This book: • will enable people to directly carry out research on applied superconductivity in electrical engineering • is more comprehensive and practical when compared to other advances • presents a clear introduction to the application of superconductor in electrical engineering and related fundamental technologies • arms readers with the technological aspects of superconductivity required to produce a machine • covers power supplying technologies in superconducting electric apparatus • is well organized and adaptable for students, lecturers, researchers and engineers • lecture slides suitable for lecturers available on the Wiley Companion Website Fundamental Elements of Applied Superconductivity in Electrical Engineering is ideal for academic researchers, graduates and undergraduate students in electrical engineering. It is also an excellent reference work for superconducting device researchers and engineers.
Electrodynamics Of Solids And Microwave Superconductivity
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Author : Shu-Ang Zhou
language : en
Publisher: John Wiley & Sons
Release Date : 1999-07-23
Electrodynamics Of Solids And Microwave Superconductivity written by Shu-Ang Zhou and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-07-23 with Technology & Engineering categories.
Die Elektrodynamik von Festkörpern ist ein interdisziplinär angelegtes Thema, zu dem elektromagnetische Phänomene, mechanische Bewegungen und Verformungen sowie Wärmeleitungen in festen Stoffen gleichermaßen beitragen. Dieses einführende und dennoch umfassende Lehrbuch zur Theorie der Elektrodynamik und Halbleitertechnik richtet sich an Physiker ebenso wie an Elektrotechniker, Maschinenbauer und Studenten der einschlägigen Fachrichtungen. (08/99)
Advances In Superconductivity Iv
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Author : Hisao Hayakawa
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Advances In Superconductivity Iv written by Hisao Hayakawa and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Five years have passed since the breakthrough in the critical temperature for superconductors. During this period, many superconducting materials have been discovered and developed, and our knowledge of the physical and other properties of oxide superconductors has deepened through extensive and intensive research. This knowledge has advanced superconductivity science and technology from the initial questioning stage to a more developed but still uncertain second stage where research activity in superconductivity now overlaps with fields of application. Generally speaking, science resonates with technology. Science not only complements but also competes with or stimulates technology. New scientific knowledge has triggered the second technological research stage. Much progress has been made in the development of practical devices, encouraging the application of superconductors in areas such as human levitation, a high speed levitated bearing, large current transforming leads, and high frequency devices. This technological progress has increased our understanding of the science involved, such as flux pinning and dynamics, and anomalous long-range superconducting interactions. At this important stage, international cooperation and collaborative projects can effectively sustain aggressive research and development in order to advance superconductivity to the next stages. The ISS Symposium is expected to serve as a venue for increasing our knowledge of superconductivity and for exchanging visions for future research and applications, through the presentation and discus of the latest research results. These proceedings also aim to summarize sion annual progress in high-Tc superconductivity in all fields.
Superconducting Devices Materials
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Author :
language : en
Publisher:
Release Date : 1968
Superconducting Devices Materials written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Cryotrons categories.
100 Years Of Superconductivity
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Author : Horst Rogalla
language : en
Publisher: Taylor & Francis
Release Date : 2011-11-11
100 Years Of Superconductivity written by Horst Rogalla and has been published by Taylor & Francis this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-11-11 with Science categories.
Even a hundred years after its discovery, superconductivity continues to bring us new surprises, from superconducting magnets used in MRI to quantum detectors in electronics. 100 Years of Superconductivity presents a comprehensive collection of topics on nearly all the subdisciplines of superconductivity. Tracing the historical developments in supe