An Ab Initio Study On Superconductivity In The Light Group Iv A Hydrides And Melting Of The Alkali Metals PDF Download

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Ab Initio Studies on Superconductivity in Alkali-Doped Fullerides

Ab Initio Studies on Superconductivity in Alkali-Doped Fullerides
Author: Yusuke Nomura
Publisher: Springer
Total Pages: 158
Release: 2016-08-03
Genre: Technology & Engineering
ISBN: 9811014426

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This book covers high-transition temperature (Tc) s-wave superconductivity and the neighboring Mott insulating phase in alkali-doped fullerides. The author presents (1) a unified theoretical description of the phase diagram and (2) a nonempirical calculation of Tc. For these purposes, the author employs an extension of the DFT+DMFT (density-functional theory + dynamical mean-field theory). He constructs a realistic electron–phonon-coupled Hamiltonian with a newly formulated downfolding method. The Hamiltonian is analyzed by means of the extended DMFT. A notable aspect of the approach is that it requires only the crystal structure as a priori knowledge. Remarkably, the nonempirical calculation achieves for the first time a quantitative reproduction of the experimental phase diagram including the superconductivity and the Mott phase. The calculated Tc agrees well with the experimental data, with the difference within 10 K. The book provides details of the computational scheme, which can also be applied to other superconductors and other phonon-related topics. The author clearly describes a superconducting mechanism where the Coulomb and electron–phonon interactions show an unusual cooperation in the superconductivity thanks to the Jahn–Teller nature of the phonons.


The Chemistry of the Actinide and Transactinide Elements (3rd ed., Volumes 1-5)

The Chemistry of the Actinide and Transactinide Elements (3rd ed., Volumes 1-5)
Author: L.R. Morss
Publisher: Springer Science & Business Media
Total Pages: 4059
Release: 2007-12-31
Genre: Science
ISBN: 1402035985

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The Chemistry of the Actinide and Transactinide Elements is a contemporary and definitive compilation of chemical properties of all of the actinide elements, especially of the technologically important elements uranium and plutonium, as well as the transactinide elements. In addition to the comprehensive treatment of the chemical properties of each element, ion, and compound from atomic number 89 (actinium) through to 109 (meitnerium), this multi-volume work has specialized and definitive chapters on electronic theory, optical and laser fluorescence spectroscopy, X-ray absorption spectroscopy, organoactinide chemistry, thermodynamics, magnetic properties, the metals, coordination chemistry, separations, and trace analysis. Several chapters deal with environmental science, safe handling, and biological interactions of the actinide elements. The Editors invited teams of authors, who are active practitioners and recognized experts in their specialty, to write each chapter and have endeavoured to provide a balanced and insightful treatment of these fascinating elements at the frontier of the periodic table. Because the field has expanded with new spectroscopic techniques and environmental focus, the work encompasses five volumes, each of which groups chapters on related topics. All chapters represent the current state of research in the chemistry of these elements and related fields.


Theory Of Superconductivity

Theory Of Superconductivity
Author: J. Robert Schrieffer
Publisher: CRC Press
Total Pages: 352
Release: 2018-03-05
Genre: Science
ISBN: 0429964250

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Theory of Superconductivity is primarily intended to serve as a background for reading the literature in which detailed applications of the microscopic theory of superconductivity are made to specific problems.


Energy Landscapes

Energy Landscapes
Author: David Wales
Publisher: Cambridge University Press
Total Pages: 696
Release: 2003
Genre: Science
ISBN: 9780521814157

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A self-contained account of energy landscape theory aimed at graduate students and researchers.


Handbook of Hydrogen Storage

Handbook of Hydrogen Storage
Author: Michael Hirscher
Publisher: John Wiley & Sons
Total Pages: 388
Release: 2010-04-26
Genre: Science
ISBN: 3527322736

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Owing to the limited resources of fossil fuels, hydrogen is proposed as an alternative and environment-friendly energy carrier. However, its potential is limited by storage problems, especially for mobile applications. Current technologies, as compressed gas or liquefied hydrogen, comprise severe disadvantages and the storage of hydrogen in lightweight solids could be the solution to this problem. Since the optimal storage mechanism and optimal material have yet to be identified, this first handbook on the topic provides an excellent overview of the most probable candidates, highlighting both their advantages as well as drawbacks. From the contents: ¿ Physisorption ¿ Clathrates ¿ Metal hydrides ¿ Complex hydrides ¿ Amides, imides, and mixtures ¿ Tailoring Reaction Enthalpies ¿ Borazan ¿ Aluminum hydride ¿ Nanoparticles A one-stop reference on all questions concerning hydrogen storage for physical and solid state chemists, materials scientists, chemical engineers, and physicists.


Advances in Theoretical and Experimental Research of High Tc Superconductivity

Advances in Theoretical and Experimental Research of High Tc Superconductivity
Author: Han Rushan
Publisher: World Scientific Publishing Company
Total Pages: 512
Release: 2019
Genre: Science
ISBN: 9789813271166

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Researchers working at the frontier of high-Tc Superconductors have reviewed the development in this area in the past 20 years. Both experimental and theoretical aspects have been covered. New directions and possible theoretical models were suggested. The contributors of this book are from China Center of Advanced Science and Technology (CCAST); Institute of Physics Chinese Academy of Sciences (CAS); National Lab for Superconductivity, Institute of Physics, CAS; School of Physics, Peking University and Center of Advanced Study Tsinghua University. This volume will be a useful guide to those who are working in the field.