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Progress in Superconductivity Research
  • Language: en
  • Pages: 220

Progress in Superconductivity Research

This book presents state-of-the art research on superconductivity which 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.

Directory of Officials of the Bulgarian People's Republic
  • Language: en
  • Pages: 260

Directory of Officials of the Bulgarian People's Republic

  • Type: Book
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  • Published: 1969
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  • Publisher: Unknown

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Progress in Ferromagnetism Research
  • Language: en
  • Pages: 378

Progress in Ferromagnetism Research

Ferromagnetism is a form of magnetism that can be acquired in an external magnetic field and usually retained in its absence, so that ferromagnetic materials are used to make permanent magnets. A ferromagnetic material may therefore be said to have a high magnetic permeability and susceptibility (which depends upon temperature). Examples are iron, cobalt, nickel, and their alloys. Ultimately, ferromagnetism is caused by spinning electrons in the atoms of the material, which act as tiny weak magnets. They align parallel to each other within small regions of the material to form domains, or areas of stronger magnetism. In an unmagnetised material, the domains are aligned at random so there is ...

Introduction to the Theory of Critical Phenomena
  • Language: en
  • Pages: 701

Introduction to the Theory of Critical Phenomena

This book provides a comprehensive introduction to the theory of phase transitions and critical phenomena. The content covers a period of more than 100 years of theoretical research of condensed matter phases and phase transitions providing a clear interrelationship with experimental problems. It starts from certain basic University knowledge of thermodynamics, statistical physics and quantum mechanics. The text is illustrated with classic examples of phase transitions. Various types of phase transition and (multi)critical points are introduced and explained. The classic aspects of the theory are naturally related with the modern developments. This interrelationship and the field-theoretical renormalization group method are presented in details. The main applications of the renormalization group methods are presented. Special attention is paid to the description of quantum phase transitions. This edition contains a more detailed presentation of the renormalization group method and its applications to particular systems.

Superconductors
  • Language: en
  • Pages: 455

Superconductors

The book includes 17 chapters written by noted scientists and young researchers and dealing with various aspects of superconductivity, both theoretical and experimental. The authors tried to demonstrate their original vision and give an insight into the examined problems. A balance between theory and experiment was preserved at least from the formal viewpoint (9 and 8, respectively). The readers should be warned that many of the problems studied here are far from being solved and are treated on the basis of competing viewpoints. The reason is that such is the state of the art! Science of superconductivity develops rapidly and new unexpected discoveries are expected in the nearest future.

Advances in Quantum Systems in Chemistry, Physics, and Biology
  • Language: en
  • Pages: 472

Advances in Quantum Systems in Chemistry, Physics, and Biology

This edited, multi-author book gathers selected, peer-reviewed contributions based on papers presented at the 23rd International Workshop on Quantum Systems in Chemistry, Physics, and Biology (QSCP-XXIII), held in Mopani Camp, The Kruger National Park, South Africa, in September 2018. The content is primarily intended for scholars, researchers, and graduate students working at universities and scientific institutes who are interested in the structure, properties, dynamics, and spectroscopy of atoms, molecules, biological systems, and condensed matter.

Directory of Bulgarian Officials
  • Language: en
  • Pages: 152

Directory of Bulgarian Officials

  • Type: Book
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  • Published: 1986
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  • Publisher: Unknown

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Convex Optimization Euclidean Distance Geometry 2e
  • Language: en
  • Pages: 706

Convex Optimization Euclidean Distance Geometry 2e

  • Type: Book
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  • Published: 2015-09-29
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  • Publisher: Lulu.com

Convex Analysis is an emerging calculus of inequalities while Convex Optimization is its application. Analysis is the domain of the mathematician while Optimization belongs to the engineer. In layman's terms, the mathematical science of Optimization is a study of how to make good choices when confronted with conflicting requirements and demands. The qualifier Convex means: when an optimal solution is found, then it is guaranteed to be a best solution; there is no better choice. As any convex optimization problem has geometric interpretation, this book is about convex geometry (with particular attention to distance geometry) and nonconvex, combinatorial, and geometrical problems that can be relaxed or transformed into convexity. A virtual flood of new applications follows by epiphany that many problems, presumed nonconvex, can be so transformed. This is a BLACK & WHITE paperback. A hardcover with full color interior, as originally conceived, is available at lulu.com/spotlight/dattorro

Coherent Approaches To Fluctuations - Proceedings Of The Hayashibara Forum '95
  • Language: en
  • Pages: 314

Coherent Approaches To Fluctuations - Proceedings Of The Hayashibara Forum '95

This meeting is devoted to discussing new approaches to critical fluctuation, quantum fluctuation and relaxation phenomena. The main topics include: the study of critical fluctuation, using perturbational expansions, generalized systematic cluster mean-field approximations, the CAM...; possible new systematic approaches to quantum fluctuation including quantum Monte Carlo simulations; and coherent approaches to fluctuation and relaxation in complex systems such as spin glasses.

Daily Report
  • Language: en
  • Pages: 828

Daily Report

  • Type: Book
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  • Published: 1990
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  • Publisher: Unknown

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