Описание: The thesis presents experimental and theoretical results about the surface dynamics and the surface Dirac fermion (DF) spectral function of the strong topological insulators Bi2Te3 and Bi2Se3. The experimental results reveal the presence of a strong Kohn anomaly in the measured surface phonon dispersion of a low-lying optical mode, and the absence of surface Rayleigh acoustic phonons. Fitting the experimental data to theoretical models employing phonon Matsubara functions allowed the extraction of the matrix elements of the coupling Hamiltonian and the modifications to the surface phonon propagator that are encoded in the phonon self-energy. This allowed, for the first time, calculation of phonon mode-specific DF coupling ??(q) from experimental data, with average coupling significantly higher than typical values for metals, underscoring the strong coupling between optical surface phonons and surface DFs in topological insulators. Finally, to connect to experimental results obtained from photoemission spectroscopies, an electronic (DF) Matsubara function was constructed using the determined electron-phonon matrix elements and the optical phonon dispersion. This allowed calculation of the DF spectral function and density of states, allowing for comparison with photoemission and scanning tunneling spectroscopies. The results set the necessary energy resolution and extraction methodology for calculating ? from the DF perspective.
Описание: The MRS Symposium Proceeding series is an internationally recognised reference suitable for researchers and practitioners.
Автор: Marcel Franz Название: Topological Insulators,6 ISBN: 0444633146 ISBN-13(EAN): 9780444633149 Издательство: Elsevier Science Рейтинг: Цена: 23917.00 р. Наличие на складе: Поставка под заказ.
Описание: Describes the revolution in condensed matter physics that occurred in our understanding of crystalline solids. This book chronicles the work done worldwide that led to these discoveries and provides the reader with an overview of the field.
Автор: Emil Prodan; Hermann Schulz-Baldes Название: Bulk and Boundary Invariants for Complex Topological Insulators ISBN: 3319293508 ISBN-13(EAN): 9783319293509 Издательство: Springer Рейтинг: Цена: 9781.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: This monograph offers an overview of rigorous results on fermionic topological insulators from the complex classes, namely, those without symmetries or with just a chiral symmetry.
Автор: Paola Di Pietro Название: Optical Properties of Bismuth-Based Topological Insulators ISBN: 3319019902 ISBN-13(EAN): 9783319019901 Издательство: Springer Рейтинг: Цена: 18167.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: List of Abbreviations.- Supervisor's Foreword.- 1 Introduction to the Topological Insulators and State of the Art.- 2 Experimental Technique, Sample Fabrication and Models for Data Analysis.- 3 Results and Analysis.
Автор: Palyi, Andras Asboth, Janos K. Oroszlany, Laszlo Название: Short course on topological insulators ISBN: 331925605X ISBN-13(EAN): 9783319256054 Издательство: Springer Рейтинг: Цена: 4890.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: This course-based primer provides newcomers to the field with a concise introduction to some of the core topics in the emerging field of topological insulators. The aim is to provide a basic understanding of edge states, bulk topological invariants, and of the bulk--boundary correspondence with as simple mathematical tools as possible.
Автор: Hans-Joachim Queisser; Johann-Martin Spaeth; Haral Название: Point Defects in Semiconductors and Insulators ISBN: 3642627226 ISBN-13(EAN): 9783642627224 Издательство: Springer Рейтинг: Цена: 25155.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: The precedent book with the title "Structural Analysis of Point Defects in Solids: An introduction to multiple magnetic resonance spectroscopy" ap- peared about 10 years ago.
Автор: Bernevig B Andrei Название: Topological Insulators and Superconductors ISBN: 069115175X ISBN-13(EAN): 9780691151755 Издательство: Wiley Рейтинг: Цена: 12989.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: "This graduate-level textbook is the first pedagogical synthesis of the field of topological insulators and superconductors, one of the most exciting areas of research in condensed matter physics. Presenting the latest developments, while providing all the calculations necessary for a self-contained and complete description of the discipline, it is ideal for graduate students and researchers preparing to work in this area, and it will be an essential reference both within and outside the classroom. The book begins with simple concepts such as Berry phases, Dirac fermions, Hall conductance and its link to topology, and the Hofstadter problem of lattice electrons in a magnetic field. It moves on to explain topological phases of matter such as Chern insulators, two- and three-dimensional topological insulators, and Majorana p-wave wires. Additionally, the book covers zero modes on vortices in topological superconductors, time-reversal topological superconductors, and topological responses/field theory and topological indices. The book also analyzes recent topics in condensed matter theory and concludes by surveying active subfields of research such as insulators with point-group symmetries and the stability of topological semimetals. Problems at the end of each chapter offer opportunities to test knowledge and engage with frontier research issues. Topological Insulators and Topological Superconductors will provide graduate students and researchers with the physical understanding and mathematical tools needed to embark on research in this rapidly evolving field"--
Автор: Farzaneh Название: Insulators for Icing and Polluted Environments ISBN: 0470282347 ISBN-13(EAN): 9780470282342 Издательство: Wiley Рейтинг: Цена: 26286.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: With the widespread use of EHV equipment in winter environments, winter flashovers at air temperature close to melting point have become a critical design constraint.
Автор: Kamakhya Prasad Ghatak Название: Dispersion Relations in Heavily-Doped Nanostructures ISBN: 331920999X ISBN-13(EAN): 9783319209999 Издательство: Springer Рейтинг: Цена: 20896.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: This book presents the dispersion relation in heavily doped nano-structures. The influences of magnetic quantization, crossed electric and quantizing fields, intense electric fields on the on the dispersion relation in heavily doped semiconductors and super-lattices are also discussed.
Автор: Siddharth Ramachandran Название: Fiber Based Dispersion Compensation ISBN: 1441923292 ISBN-13(EAN): 9781441923295 Издательство: Springer Рейтинг: Цена: 32651.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: In three well-organized sections, this book offers the first detailed survey of dispersion compensating fibers. The sections outline Conventional Dispersion Compensating Fiber, including a chapter on modeling dispersion in optical fibers;
Автор: Vladimir M. Agranovich; V. Ginzburg Название: Crystal Optics with Spatial Dispersion, and Excitons ISBN: 366202408X ISBN-13(EAN): 9783662024089 Издательство: Springer Рейтинг: Цена: 14365.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Spatial dispersion, namely, the dependence of the dielectric-constant tensor on the wave vector (i.e., on the wavelength) at a fixed frequency, is receiving increased attention in electrodynamics and condensed-matter optics, partic- ularly in crystal optics.
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