Models and Phenomenology for Conventional and High-Temperature Superconductivity

Models and Phenomenology for Conventional and High-Temperature Superconductivity

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  • Author: Società italiana di fisica
  • Publisher: IOS Press
  • ISBN: 1614992215
  • Category : Science
  • Languages : en
  • Pages : 527

The search for microscopic models to explain the many superconducting substances has introduced seminal concepts and techniques in many-body physics and in statistical mechanics. The complexity of the high-temperature superconductors has required a remarkable refinement of experimental techniques in order to allow a reliable characterization of the samples, and is partly the reason why so many different microscopic models have so far been proposed. This Enrico Fermi Course on Superconductivity was provided an up-to date presentation of selected experimental and theoretical theories on the (so called) conventional superconductivity and on the high temperature superconductivity. The attention was focused on those reliable measurements which are expected to provide the theory with key constraints, viz: Raman and Infrared Spectroscopy, Nuclear Spin Resonance, Angular Resolved Photoemission Spectroscopy, transport measurements, Josephson effect. The lectures devoted to the overview of the BCS theory and to the discussion of minimal models and of the crossover from BCS to Bose-Einstein condensation may be particularly useful. The remaining part of the program was shared between phonon and non-phonon based mechanisms. On the one hand, special emphasis has been devoted to the breakdown of the Migdal theorem and to polaronic theories. On the other, the book contains an overview of strongly correlated electron theories, including magnetic interactions. A survey of the physics of vortices completes the theoretical part of the lectures.


Theory of High Temperature Superconductivity

Theory of High Temperature Superconductivity

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  • Author: T. Mishonov
  • Publisher: World Scientific
  • ISBN: 9814343145
  • Category : Technology & Engineering
  • Languages : en
  • Pages : 274

Key discoveries concerning the different biological functions of microglia in health and disease have attracted scientists from various fields. In Microglia: Methods and Protocols, expert researchers in the field detail methods for selection of the key cellular, molecular and biochemical techniques that are used in studying the many and varied functions of this fascinating cell. These methods and techniques include microglia cell culture for studying microglia activation and functions, as well as their interaction with other cell types both in vitro and in vivo. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and key tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, Microglia: Methods and Protocols is a useful resource for cell biologists, molecular biologists, immunologists, oncologist and neuroscientists.


Strong-Coupling Theory of High-Temperature Superconductivity

Strong-Coupling Theory of High-Temperature Superconductivity

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  • Author: Alexandre S. Alexandrov
  • Publisher: Cambridge University Press
  • ISBN: 1107354951
  • Category : Science
  • Languages : en
  • Pages :

High-temperature superconductivity has transformed the landscape of solid state science, leading to the discovery of new classes of materials, states of matter, and concepts. However, despite being over a quarter of a century since its discovery, there is still no single accepted theory to explain its origin. This book presents one approach, the strong-coupling or bipolaron theory, which proposes that high-temperature superconductivity originates from competing Coulomb and electron-phonon interactions. The author provides a thorough overview of the theory, describing numerous experimental observations, and giving detailed mathematical derivations of key theoretical findings at an accessible level. Applications of the theory to existing high-temperature superconductors are discussed, as well as possibilities of liquid superconductors and higher critical temperatures. Alternative theories are also examined to provide a balanced and informative perspective. This monograph will appeal to advanced researchers and academics in the fields of condensed matter physics and quantum-field theories.


Introduction to Unconventional Superconductivity

Introduction to Unconventional Superconductivity

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  • Author: V.P. Mineev
  • Publisher: CRC Press
  • ISBN: 9789056992095
  • Category : Science
  • Languages : en
  • Pages : 204

Unconventional superconductivity (or superconductivity with a nontrivial Cooper pairing) is believed to exist in many heavy-fermion materials as well as in high temperature superconductors, and is a subject of great theoretical and experimental interest. The remarkable progress achieved in this field has not been reflected in published monographs and textbooks, and there is a gap between current research and the standard education of solid state physicists in the theory of superconductivity. This book is intended to meet this information need and includes the authors' original results.


Frontiers of High Pressure Research II: Application of High Pressure to Low-Dimensional Novel Electronic Materials

Frontiers of High Pressure Research II: Application of High Pressure to Low-Dimensional Novel Electronic Materials

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  • Author: Hans D. Hochheimer
  • Publisher: Springer Science & Business Media
  • ISBN: 9401005206
  • Category : Science
  • Languages : en
  • Pages : 556

In recent interactions with industrial companies it became quite obvious, that the search for new materials with strong anisotropic properties are of paramount importance for the development of new advanced electronic and magnetic devices. The questions concerning the tailoring of materials with large anisotropic electrical and thermal conductivity were asked over and over again. It became also quite clear that the chance to answer these questions and to find new materials which have these desired properties would demand close collaborations between scientists from different fields. Modem techniques ofcontrolled materials synthesis and advances in measurement and modeling have made clear that multiscale complexity is intrinsic to complex electronic materials, both organic and inorganic. A unified approach to classes of these materials is urgently needed, requiring interdisciplinary input from chemistry, materials science, and solid state physics. Only in this way can they be controlled and exploited for increasingly stringent demands oftechnology. The spatial and temporal complexity is driven by strong, often competing couplings between spin, charge and lattice degrees offreedom, which determine structure-function relationships. The nature of these couplings is a sensitive function of electron-electron, electron-lattice, and spin-lattice interactions; noise and disorder, external fields (magnetic, optical, pressure, etc. ), and dimensionality. In particular, these physical influences control broken-symmetry ground states (charge and spin ordered, ferroelectric, superconducting), metal-insulator transitions, and excitations with respect to broken-symmetries created by chemical- or photo-doping, especially in the form of polaronic or excitonic self-trapping.


Spectroscopic Properties of Inorganic and Organometallic Compounds

Spectroscopic Properties of Inorganic and Organometallic Compounds

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  • Author: G Davidson
  • Publisher: Royal Society of Chemistry
  • ISBN: 1847555179
  • Category : Science
  • Languages : en
  • Pages : 540

Spectroscopic Properties of Inorganic and Organometallic Compounds provides a unique source of information on an important area of chemistry. Divided into sections mainly according to the particular spectroscopic technique used, coverage in each volume includes: NMR (with reference to stereochemistry, dynamic systems, paramagnetic complexes, solid state NMR and Groups 13-18); nuclear quadrupole resonance spectroscopy; vibrational spectroscopy of main group and transition element compounds and coordinated ligands; and electron diffraction. Reflecting the growing volume of published work in this field, researchers will find this Specialist Periodical Report an invaluable source of information on current methods and applications. Specialist Periodical Reports provide systematic and detailed review coverage in major areas of chemical research. Compiled by teams of leading experts in their specialist fields, this series is designed to help the chemistry community keep current with the latest developments in their field. Each volume in the series is published either annually or biennially and is a superb reference point for researchers. www.rsc.org/spr


Physics with Many Positrons

Physics with Many Positrons

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  • Author: Alfredo Dupasquier
  • Publisher: IOS Press
  • ISBN: 1607506467
  • Category : Science
  • Languages : en
  • Pages : 627

With the exception of positron emission tomography (PET), the field of low energy positron science produces relatively few academic articles each year compared to more accessible fields. Though much has been achieved since the publication of two related volumes earlier in this series: Positron Solid State Physics (1981) and Positron Spectroscopy of Solids (1993), only the first steps have been made towards 'physics with many positrons': physical situations where the interactions of positrons with positrons can be observed. This 2009 "Enrico Fermi School" aims to stimulate the field o.


Lectures On High Temperature Superconductivity

Lectures On High Temperature Superconductivity

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  • Author: Gan Z Z
  • Publisher: #N/A
  • ISBN: 9814556351
  • Category :
  • Languages : en
  • Pages : 348

The first part of these proceedings contains the invited lectures which aim to unify and summarize briefly the systematic knowledge and latest developments in the entire spectrum of high Tc superconductivity, including the phenomenological and microscopic theory on HTS, crystal structures and defects, the fabrication of high Tc superconductors, physical properties of HTSC, tunneling junctions and electronics of HTSC, etc. The second part consists of the abstracts of all reports given at the seminar sessions.


Polarons in Bulk Materials and Systems With Reduced Dimensionality

Polarons in Bulk Materials and Systems With Reduced Dimensionality

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  • Author: G. Iadonisi
  • Publisher: IOS Press
  • ISBN: 1614990174
  • Category : Science
  • Languages : en
  • Pages : 468

An enormous theoretical effort has been made to treat electron-phonon coupled systems, with particular emphasis on Many Body aspects for dense electron systems, taking into account continuum as well as lattice polaron effects. Treating such aspects of polaron theory has been made possible because of powerful Many Body techniques which include: Exact Diagonalization techniques, Quantum Monte Carlo approaches, Density Matrix renormalization group and Dynamical Mean Field Theory. All these advances in polaron theory needed to be accompanied by: (i) an equally important advance in material research which produced many new materials such as the high Tc cuprates, the manganites and nickelates and the fullerines; (ii) as well as significant advances in the refinement of experimental analysis and, in particular, the spectroscopic means such as Angel Resolved Photoemission Spectroscopy, X Ray Absorption Spectroscopy (EXAFS, XANES), Pulsed Neutron Diffraction measurements allowing to study the local dynamical lattice de-formations and optical spectroscopy including time resolved measurements. The scope and purpose of this publication is to review both these theoretical and experimental advances which occurred over the last few decades and to introduce the study of such systems, where both strong electron-electron correlations and large electron-phonon coupling strengths play important roles.


Laser-Plasma Acceleration

Laser-Plasma Acceleration

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  • Author: Società italiana di fisica
  • Publisher: IOS Press
  • ISBN: 1614991294
  • Category : Science
  • Languages : en
  • Pages : 286

Impressive progress has been made in the field of laser-plasma acceleration in the last decade, with outstanding achievements from both experimental and theoretical viewpoints. Closely exploiting the development of ultra-intense, ultrashort pulse lasers, laser-plasma acceleration has developed rapidly, achieving accelerating gradients of the order of tens of GeV/m, and making the prospect of miniature accelerators a more realistic possibility. This book presents the lectures delivered at the Enrico Fermi International School of Physics and summer school: "Laser-Plasma Acceleration" , held in Varenna, Italy, in June 2011. The school provided an opportunity for young scientists to experience the best from the worlds of laser-plasma and accelerator physics, with intensive training and hands-on opportunities related to key aspects of laser-plasma acceleration. Subjects covered include: the secrets of lasers; the power of numerical simulations; beam dynamics; and the elusive world of laboratory plasmas. The objective of the school was to establish a common knowledge base for the future laser-plasma accelerator community. These published proceedings aim to provide a wider community with a reference covering a wide range of topics, knowledge of which will be necessary to future research on laser-plasma acceleration. The book also provides references to selected existing literature for further reading.