Unconventional Superconductors
Anisotropy and Multiband Effects
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Beschreibung
This book deals with the new class of materials unconventional superconductors, cuprate compounds, borocarbides, magnesium-diboride and oxypnictides. It gives a systematical review of physical properties of novel superconductors. There is an increasing number of fundamental properties of these compounds which are relevant to future applications, opening new possibilities. The theoretical explanation is presented as generalization of Ginzburg-Landau phenomenology and microscopical Eliashberg theory for multiband and anisotropic superconductors. Various applications of this approachs and time dependent version of two-band Ginzburg-Landau theory are considered. An important topic are fluctuations in two-band and anisotropic superconductors. Significant new results on current problems are presented to stimulate further research. Numerous illustrations, diagrams and tables make this book useful as a reference for students and researchers.
This book presents the anisotropy and multiband effects in newly discovered unconventional superconductors: cuprate superconductors, borocarbides, magnezium-diboride and oxypnictides. The physical properties of these unconventional superconductors and the application of the two-band Ginzburg-Landau theory to these superconducting compounds are explained. Temperature dependencies of fundamental superconducting parameters are calculated using the GL theory taking into account multiband-and anisotropy effects. A comparision of theoretical results and experimental data is conducted. Additionally, the analytical solution of the microscopical Eliashberg theory and of the BCS theory is developed for two-band and anisotropic superconductors. Fluctuation effects in newly discovered superconductors are also discussed.
Presents new unconventional superconductors in detail Contains a variety of theoretical calculations and explanations of experimental data Explains the application of two-band Ginzburg-Landau theory for the calculation of different physical parameters in new superconductor Delivers a detailed description of fluctuation effects in two-band superconductors Displays an analytical solution of the Eliashberg equations for two-band and anisotropic superconductors Includes supplementary material: sn.pub/extras
Autor*in
Iman Askerzade
Themen in »Unconventional Superconductors«
Borocarbide compounds Eliashberg theory Ginzburg-Landau theory anisotropic superconductors cuprate superconductors fluctuation effects microscopical Eliashberg theory two-band superconductivity two-band superconductors unconventional superconductors