Spin-dependent Quantum Phenomena
Author | : 陳松賢 |
Publisher | : |
Total Pages | : 187 |
Release | : 2009 |
Genre | : |
ISBN | : |
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Author | : 陳松賢 |
Publisher | : |
Total Pages | : 187 |
Release | : 2009 |
Genre | : |
ISBN | : |
Author | : Patrik Brusheim Johansson |
Publisher | : |
Total Pages | : 91 |
Release | : 2008 |
Genre | : |
ISBN | : 9789162875275 |
Author | : James P Lavine |
Publisher | : World Scientific Publishing |
Total Pages | : 256 |
Release | : 2018-11-22 |
Genre | : Science |
ISBN | : 9813272600 |
With both industrial and teaching experience, the author explains the effects of time dependence in systems with two energy levels. The book starts with time-independent interactions and goes on to treat interactions with time-dependent electric and magnetic fields. Complete derivations are presented for each case, so the reader understands how the solutions are found. Both closed-form and numerical solutions are treated, and the calculations are compared with experimental data from the literature. Numerous plots are provided to show how the solutions depend on the parameters of the interactions. The book builds upon an undergraduate course in quantum mechanics and is useful for readers interested in magnetic resonance and quantum optics. In addition, this book is ideal for self-study by students or researchers starting on two-level systems. The detailed derivations and plots should ease readers into the study of two-level systems in a wide variety of settings.
Author | : Alexandros Shailos |
Publisher | : |
Total Pages | : 222 |
Release | : 2004 |
Genre | : Electron transport |
ISBN | : |
Author | : D.D. Awschalom |
Publisher | : Springer Science & Business Media |
Total Pages | : 321 |
Release | : 2013-04-17 |
Genre | : Technology & Engineering |
ISBN | : 366205003X |
The past few decades of research and development in solid-state semicon ductor physics and electronics have witnessed a rapid growth in the drive to exploit quantum mechanics in the design and function of semiconductor devices. This has been fueled for instance by the remarkable advances in our ability to fabricate nanostructures such as quantum wells, quantum wires and quantum dots. Despite this contemporary focus on semiconductor "quantum devices," a principal quantum mechanical aspect of the electron - its spin has it accounts for an added quan largely been ignored (except in as much as tum mechanical degeneracy). In recent years, however, a new paradigm of electronics based on the spin degree of freedom of the electron has begun to emerge. This field of semiconductor "spintronics" (spin transport electron ics or spin-based electronics) places electron spin rather than charge at the very center of interest. The underlying basis for this new electronics is the intimate connection between the charge and spin degrees of freedom of the electron via the Pauli principle. A crucial implication of this relationship is that spin effects can often be accessed through the orbital properties of the electron in the solid state. Examples for this are optical measurements of the spin state based on the Faraday effect and spin-dependent transport measure ments such as giant magneto-resistance (GMR). In this manner, information can be encoded in not only the electron's charge but also in its spin state, i. e.
Author | : Kwaku Eason |
Publisher | : Symphonious Publishers |
Total Pages | : 779 |
Release | : 2018-11-29 |
Genre | : Science |
ISBN | : 0692159797 |
A complete and thorough introduction to quantum mechanics/quantum physics, which, distinguished from other such texts, also includes more recent physics relating to the field of spintronics, superconductors, as well as very recent developments in quantum dynamics. Useful historical developments are also given with the important connections studying light and thermodynamics. One of the more unique features of this book includes a powerful development for quantum mechanics on the dynamics or time-dependent behavior of quantum mechanical systems. The description of transitions between quantum states, and relevant applications are introduced, and demonstrated to show that quantum mechanics must be extended further in order to contain more correct and complete descriptions of transitions between quantum states. This topic is crucial for many developing technologies exploiting quantum systems and their fundamental properties. You'll also find thorough and detailed derivations of nearly all the results in this book, so you'll truly learn the origins of many of the complex relations or equations in quantum mechanics.
Author | : Supriyo Bandyopadhyay |
Publisher | : CRC Press |
Total Pages | : 650 |
Release | : 2015-09-18 |
Genre | : Science |
ISBN | : 148225557X |
Introduction to Spintronics provides an accessible, organized, and progressive presentation of the quantum mechanical concept of spin and the technology of using it to store, process, and communicate information. Fully updated and expanded to 18 chapters, this Second Edition:Reflects the explosion of study in spin-related physics, addressing seven
Author | : J. J. Sakurai |
Publisher | : Cambridge University Press |
Total Pages | : 570 |
Release | : 2017-09-21 |
Genre | : Science |
ISBN | : 1108527426 |
Modern Quantum Mechanics is a classic graduate level textbook, covering the main quantum mechanics concepts in a clear, organized and engaging manner. The author, Jun John Sakurai, was a renowned theorist in particle theory. The second edition, revised by Jim Napolitano, introduces topics that extend the text's usefulness into the twenty-first century, such as advanced mathematical techniques associated with quantum mechanical calculations, while at the same time retaining classic developments such as neutron interferometer experiments, Feynman path integrals, correlation measurements, and Bell's inequality. A solution manual for instructors using this textbook can be downloaded from www.cambridge.org/9781108422413.
Author | : Wilson Jonathan Yanez Parreno |
Publisher | : |
Total Pages | : 0 |
Release | : 2023 |
Genre | : |
ISBN | : |
One of the biggest discoveries in condensed matter physics in the last couple of decades is the relationship between topology and condensed matter physics. On one hand, topology is a branch of mathematics that studies the basic properties of shapes and their spatial relations. On the other hand, condensed matter physics uses quantum mechanics to understand the macroscopic and microscopic behavior of solids. It turns out that these two seemingly different fields of knowledge are intertwined and deeply connected. This makes, the effort of understanding the consequences of topology in condensed matter systems a worthy scientific endeavor that will deepen our understanding of the basic properties of solids and might impact the future of technology in different applications. In this dissertation, we study the role of spin in the macroscopic behavior of novel families of topological quantum materials. We part ways from well-studied topological insulators and turn our attention to topological Dirac and Weyl semimetals. This work focuses on archetypal members of these families of materials namely: Cd3As2, TaAs and NbAs. We establish their synthesis in thin film form using molecular beam epitaxy (MBE) in common semiconductor substrates (GaAs, GaSb). We combine them with the soft ferromagnet, permalloy (Ni0.80Fe0.20), and use well established techniques such as spin torque ferromagnetic resonance (ST-FMR) and spin pumping (SP) to show that spin dependent phenomena plays an important role in these systems. This allows us to quantify the efficiency of the charge-spin interconversion in these materials, which together with electrical transport measurements allow us to estimate their spin Hall conductivity ([sigma]SH). These values are then compared with first principles calculations with a good qualitative and quantitative agreement. One of our main findings is that natural surface oxidation of these compounds plays a major role in spin transport and can enhance the charge-spin interconversion efficiency. With this knowledge, we take some members of these families of materials to the ultrathin regime. We have interfaced a Dirac semimetal (ZrTe2) with a two-dimensional magnet (CrTe2) and made a proof of concept device which shows that the spin of electrons in the Dirac semimetal can be controlled by electrical means and can be used to switch the magnetization direction of the ferromagnet, effectively making a quasi two-dimensional memory with topological materials. This motivated us to do similar experiments and study the behavior of spin in metals (Pb) once they are taken to the two-dimensional regime. This dissertation studies topology, spin transport and ferromagnetism in Dirac and Weyl semimetals, two-dimensional metals and two-dimensional ferromagnets.
Author | : Elliot Leader |
Publisher | : |
Total Pages | : 0 |
Release | : 2023 |
Genre | : Nuclear spin |
ISBN | : 9781009402040 |
Motivated by dramatic developments in the field, this book provides a thorough introduction to spin and its role in elementary particle physics. Starting with a simple pedagogical introduction to spin and its relativistic generalisation, the author avoids the obscurity and impenetrability of traditional treatments of the subject. The book surveys the main theoretical and experimental developments, as well as discussing exciting plans for the future. Emphasis is placed on the importance of spin-dependent measurements in testing QCD and the Standard Model. This book will be of value to graduate students and researchers working in all areas of quantum physics and particularly in elementary particle and high energy physics. It is suitable as a supplementary text for graduate courses in theoretical and experimental particle physics. This title, first published in 2001, has been reissued as an Open Access publication on Cambridge Core.