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The Study Of Many Body Physics In High Temperature Superconductors Using Angle Resolved Photoemission Spectroscopy
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Book Synopsis The Study of Many Body Physics in High Temperature Superconductors Using Angle Resolved Photoemission Spectroscopy by : Adam Kaminski
Download or read book The Study of Many Body Physics in High Temperature Superconductors Using Angle Resolved Photoemission Spectroscopy written by Adam Kaminski and published by . This book was released on 2001 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Angle-Resolved Photoemission Spectroscopy Study of Spin Fluctuations in the Cuprate Superconductors by : Francisco Restrepo
Download or read book Angle-Resolved Photoemission Spectroscopy Study of Spin Fluctuations in the Cuprate Superconductors written by Francisco Restrepo and published by Springer Nature. This book was released on 2022-09-13 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis makes significant advances towards an understanding of superconductivity in the cuprate family of unconventional, high-temperature superconductors. Even though the high-temperature superconductors were discovered over 35 years ago, there is not yet a general consensus on an acceptable theory of superconductivity in these materials. One of the early proposals suggested that collective magnetic excitations of the conduction electrons could lead them to form pairs, which in turn condense to form the superconducting state at a critical temperature Tc. Quantitative calculations of Tc using experimental data were, however, not available to verify the applicability of this magnetic mechanism. In this thesis, the author constructed an angle-resolved photoemission apparatus that could provide sufficiently accurate data of the electronic excitation spectra of samples in the normal state, data which was furthermore unusually devoid of any surface contamination. The author also applied the Bethe-Salpeter method to his uncommonly pristine and precise normal state data, and was able to predict the approximate superconducting transition temperatures of different samples. This rare combination of experiment with sophisticated theoretical calculations leads to the conclusion that antiferromagnetic correlations are a viable candidate for the pairing interaction in the cuprate superconductors.
Book Synopsis Angle-Resolved Photoemission Spectroscopy on High-Temperature Superconductors by : Junfeng He
Download or read book Angle-Resolved Photoemission Spectroscopy on High-Temperature Superconductors written by Junfeng He and published by Springer. This book was released on 2016-06-21 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book mainly focuses on the study of the high-temperature superconductor Bi2Sr2CaCu2O8+δ (Bi2212) and single-layer FeSe film grown on SrTiO3 (STO) substrate by means of angle-resolved photoemission spectroscopy (ARPES). It provides the first electronic evidence for the origin of the anomalous high-temperature superconductivity in single-layer FeSe grown on SrTiO3 substrate. Two coexisted sharp-mode couplings have been identified in superconducting Bi2212. The first ARPES study on single-layer FeSe/STO films has provided key insights into the electronic origin of superconductivity in this system. A phase diagram and electronic indication of high Tc and insulator to superconductor crossover have been established in the single-layer FeSe/STO films. Readers will find essential information on the techniques used and interesting physical phenomena observed by ARPES.
Book Synopsis Photoemission Spectroscopy on High Temperature Superconductor by : Wentao Zhang
Download or read book Photoemission Spectroscopy on High Temperature Superconductor written by Wentao Zhang and published by Springer Science & Business Media. This book was released on 2012-08-22 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book mainly focuses on the study of the high-temperature superconductor Bi2Sr2CaCu2O8 by vacuum, ultra-violet, laser-based, angle-resolved photoemission spectroscopy (ARPES). A new form of electron coupling has been identified in Bi2212, which occurs in the superconducting state. For the first time, the Bogoliubov quasiparticle dispersion with a clear band back-bending has been observed with two peaks in the momentum distribution curve in the superconducting state at a low temperature. Readers will find useful information about the technique of angle-resolved photoemission and the study of high-temperature superconductors using this technique. Dr. Wentao Zhang received his PhD from the Institute of Physics at the Chinese Academy of Sciences.
Book Synopsis Study of High Temperature Superconductors with Angle-Resolved Photoemission Spectroscopy by :
Download or read book Study of High Temperature Superconductors with Angle-Resolved Photoemission Spectroscopy written by and published by . This book was released on 2003 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Angle Resolved Photoemission Spectroscopy (ARPES) recently emerged as a powerful tool for the study of highly correlated materials. This thesis describes the new generation of ARPES experiment, based on the third generation synchrotron radiation source and utilizing very high resolution electron energy and momentum analyzer. This new setup is used to study the physics of high temperature superconductors. New results on the Fermi surfaces, dispersions, scattering rate and superconducting gap in high temperature superconductors are presented.
Book Synopsis Photoemission Studies of High-Temperature Superconductors by : David W. Lynch
Download or read book Photoemission Studies of High-Temperature Superconductors written by David W. Lynch and published by Cambridge University Press. This book was released on 2005-09-08 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the current status and results of photoelectron spectroscopic techniques, both theoretical and experimental, that have been applied to the study of the cuprate ("high-temperature") superconductors. The techniques described include angle-resolved photoelectron spectroscopy of valence electrons, core level spectra (XPS), and some special variations, such as resonance photoemission. Attention is paid to the difficulties in interpreting such spectra and to the problems obtaining good sample surfaces and high resolution, comparing results from other experimental techniques as well. The authors also outline expected future developments in the techniques. This book will be of great interest to graduate students and researchers in physics, chemistry and materials science with an interest in high temperature superconductors.
Book Synopsis Low Energy Excitations in Cuprate High Temperature Superconductors by : Inna Vishik
Download or read book Low Energy Excitations in Cuprate High Temperature Superconductors written by Inna Vishik and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The mechanism of superconductivity in the cuprate high temperature superconductors is an enduring problem in condensed matter physics, and a detailed experimental phenomenology is a crucial starting point for microscopic understanding. Angle-resolved photoemission spectroscopy (ARPES) measures electronic structure in momentum-space. Low-energy excitations in the cuprates, including the superconducting gap, are known to be anisotropic in momentum space, so the momentum resolution afforded by ARPES is key to understanding the physics and uncovering the mechanism. In this dissertation, I present experiments which pursue the cuprate superconductivity problem from several angles: understanding electron-boson coupling which may be involved in mediating superconductivity (Chapters 6 and 7 and Appendix B), understanding the momentum-space structure of the normal state pseudogap (Chapter 5 and Appendix A), understanding how superconductivity coexists with the pseudogap and other phases (Chapters 3 and 4). Much of this work took advantage of a recent development in ARPES technology, using a UV laser as a light source, which allows experiments to be performed with superior energy and momentum resolution. These experiments highlight the wealth of information that is available in ARPES data, including dispersions, scattering rates, and spectral gaps, and they demonstrate the importance of exploring these variables comprehensively as a function of temperature, doping, and momentum.
Book Synopsis Models and Phenomenology for Conventional and High-temperature Superconductivity by : Giuseppe Iadonisi
Download or read book Models and Phenomenology for Conventional and High-temperature Superconductivity written by Giuseppe Iadonisi and published by IOS Press. This book was released on 1998 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Advances in Theoretical and Experimental Research of High Tc Superconductivity by : Han Rushan
Download or read book Advances in Theoretical and Experimental Research of High Tc Superconductivity written by Han Rushan and published by World Scientific Publishing Company. This book was released on 2019 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Study of High Temperature Superconductors with Angle-resolved Photoemission Spectroscopy by : Pavel Valere̓vich Bogdanov
Download or read book Study of High Temperature Superconductors with Angle-resolved Photoemission Spectroscopy written by Pavel Valere̓vich Bogdanov and published by . This book was released on 2002 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Angle Resolved Photoemission Spectroscopy Study of High Temperature Superconductors by : Utpal Chatterjee
Download or read book Angle Resolved Photoemission Spectroscopy Study of High Temperature Superconductors written by Utpal Chatterjee and published by . This book was released on 2007 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of High Temperature Superconductors with Angle-resolved Photoemission Spectroscopy by : Pavel Valer'evich Bogdanov
Download or read book Study of High Temperature Superconductors with Angle-resolved Photoemission Spectroscopy written by Pavel Valer'evich Bogdanov and published by . This book was released on 2001 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Resolution Photoemission Studies of Interfaces in High-Tc Superconductors by :
Download or read book High Resolution Photoemission Studies of Interfaces in High-Tc Superconductors written by and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our research has involved using angle-resolved photoemission spectroscopy (ARPES) as a nano-scale probe of the electronic structure of surfaces and interfaces of high-temperature superconductors. Photoemission has provided unique and valuable information because of its surface sensitivity, excellent energy resolution, and ability to detect core-level chemical shifts. The information has strong implications for a fundamental understanding of the electronic structure of the cuprates as well as the construction of practical devices such as Josephson junctions. We will focus on: (1) description of custom-designed thin film samples of high temperature superconductors (HTSC) and the development of methods to study them with ARPES, (2) electronic structure measurements using ARPES, including the measurement of energy gaps, (3) the implications for characteristics of devices using HTSC, and (4) proximity effect searches.
Book Synopsis Advances In Theoretical And Experimental Research Of High Temperature Cuprate Superconductivity by : Rushan Han
Download or read book Advances In Theoretical And Experimental Research Of High Temperature Cuprate Superconductivity written by Rushan Han and published by World Scientific. This book was released on 2020-05-22 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is indexed in Chemical Abstracts ServiceResearchers 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.
Book Synopsis From a Single-Band Metal to a High-Temperature Superconductor Via Two Thermal Phase Transitions by :
Download or read book From a Single-Band Metal to a High-Temperature Superconductor Via Two Thermal Phase Transitions written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The nature of the pseudogap phase of cuprate high-temperature superconductors is one of the most important unsolved problems in condensed matter physics. We studied the commencement of the pseudogap state at temperature T* using three different techniques (angle-resolved photoemission spectroscopy, polar Kerr effect, and time-resolved reflectivity) on the same optimally-doped Bi2201 crystals. We observe the coincident onset at T* of a particle-hole asymmetric antinodal gap, a non-zero Kerr rotation, and a change in the relaxational dynamics, consistent with a phase transition. Upon further cooling, spectroscopic signatures of superconductivity begin to grow close to the superconducting transition temperature (T{sub c}), entangled in an energy-momentum dependent fashion with the pre-existing pseudogap features.
Book Synopsis Proceedings of the International Symposium on Frontiers of Science by : Chen Ning Yang
Download or read book Proceedings of the International Symposium on Frontiers of Science written by Chen Ning Yang and published by World Scientific. This book was released on 2003 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Symposium on Frontiers of Science was held to celebrate the 80th birthday of Chen Ning Yang, one of the great physicists of the 20th century and arguably the most-admired living scientist in China today. Many of the world's great scientists ? including sixteen Nobel laureates, Fields medallists and Wolf Prize winners ? converged on Beijing from all corners of the globe to pay tribute to Professor Yang.The Symposium was organized by Tsinghua University, with which Professor Yang has had a lifelong relationship. In 1997, he helped to found the Center for Advanced Study at Tsinghua, was appointed to the university's faculty, and has since devoted his energy to the growth of the Center.This unique and invaluable birthday volume is a collection of the presentations made at the Symposium, including fifteen plenary talks, seven of which are by Nobel laureates. It covers a wide range of topics and mirrors Professor Yang's research and intellectual interests. The range of fields encompasses high-energy, condensed-matter, mathematical, applied, bio-, astro-, atomic and quantum physics. Also included are talks given at the birthday banquet.About C N YangBorn in 1922 in Anwhei, China, C N Yang was brought up in the academic atmosphere of Tsinghua University in Beijing, where his father was a professor of mathematics. He received his college education at the National Southwest Associated University in Kunming, China, and completed his BSc there in 1942. His MSc was received in 1944 from Tsinghua University. He entered the University of Chicago in 1946, where he came under the strong influence of Prof E Fermi. After receiving his PhD in 1948, Prof Yang served for a year at the University of Chicago as an instructor. Since 1949 he has been associated with the Institute for Advanced Study, Princeton, where he became a professor in 1955.Prof Yang has worked on various subjects in physics, but is mainly interested in statistical mechanics and symmetry principles. He is a prolific author, his numerous articles appearing in the Bulletin of the American Mathematical Society, The Physical Review, Reviews of Modern Physics and the Chinese Journal of Physics.Prof Yang won the Nobel Prize in Physics in 1957, jointly with T-D Lee. He has been elected a Fellow of the American Physical Society and of Academia Sinica.
Book Synopsis Physics and Materials Science of High Temperature Superconductors, IV by : R. Kossowsky
Download or read book Physics and Materials Science of High Temperature Superconductors, IV written by R. Kossowsky and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: Five questions dominated the ARW on Physics and Materials Science of High Temperature Superconductors, of which this book forms the permanent record. Briefly, these are: (i) How close are we to a unified theory? The consensus is that we are not. (ii) Flux pinning: can it be achieved in bulk materials? Still an open question. The following three questions are related. (iii) Can grain boundary contributions be brought under control? (iv) What is the real requirement for purity and general chemistry control? (v)What is the practical outlook for bulk products - tapes and wires? One of the conclusions is that the geometry and dimensions in thin films are the key parameters that facilitate the realization of high current densities and, consequently, their commercial application. On the other hand, the very large number of poorly understood microstructural, chemical and mechanical variables involved in the preparation of bulk materials are currently prohibiting large scale commercialization of wires and tapes.
