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Author : 何昇晉
Release : 2019
Genre :
Kind : eBook
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Book Synopsis Quantum Transport in Nano-structures with Interaction And/or Pseudo-magnetic Field by : 何昇晉
Download or read book Quantum Transport in Nano-structures with Interaction And/or Pseudo-magnetic Field written by 何昇晉. This book was released on 2019. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph Albert Sulpizio
Release : 2011
Genre :
Kind : eBook
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Book Synopsis Quantum Transport in One-dimensional Nanostructures by : Joseph Albert Sulpizio
Download or read book Quantum Transport in One-dimensional Nanostructures written by Joseph Albert Sulpizio. This book was released on 2011. Available in PDF, EPUB and Kindle. Book excerpt: One-dimensional (1D) electronic nanostructures comprise a class of systems that boast tremendous promise for both technological innovation as well as fundamental scientific discovery. To fully harness their potential, it is crucial to understand transport through 1D systems at the most fundamental, quantum level. In this thesis, we describe our investigations down three avenues of quantum transport in 1D: (1) ballistic transport in quantum wires, (2) quantum capacitance measurements of nanostructures, and (3) tunneling measurements in carbon nanotubes. First, we discuss measurements and modeling of hole transport in ballistic quantum wires fabricated by GaAs/AlGaAs cleaved-edge overgrowth, where we find strong g-factor anisotropy, which we associate with spin-orbit coupling, and evidence for the importance of charge interactions, indicated by the observation of "0.7" structure. Additionally, we present the first experimental observation of a predicted spin-orbit gap in the 1D density of states, where counter-propagating spins constituting a spin current are accompanied by a clear signal in the conductance. Next, we present the development of a highly sensitive integrated capacitance bridge for quantum capacitance measurements to be used as a novel probe of 1D systems. We demonstrate the utility of our bridge by measuring the capacitance of top-gated graphene devices, where we cleanly resolve the density of states, and also present preliminary measurements of carbon nanotube devices, where we ultimately aim to extract their mobility. Finally, we discuss a set of transport measurements in carbon nanotubes designed to probe interactions between fermions in 1D in which top gates are used to introduce tunable tunnel barriers.
Author : Andreas Glatz
Release : 2006-07-26
Genre : Science
Kind : eBook
Book Rating : 797/5 ( reviews)
Book Synopsis Theory of Quantum Transport in Metallic and Hybrid Nanostructures by : Andreas Glatz
Download or read book Theory of Quantum Transport in Metallic and Hybrid Nanostructures written by Andreas Glatz. This book was released on 2006-07-26. Available in PDF, EPUB and Kindle. Book excerpt: The book reflects scientific developments in the physics of metallic compound based nanodevices presented at the NATO-sponsored Workshop on nanophysics held in Russia in the summer of 2003. The program tackles the most appealing problems. It brings together specialists and provides an opportunity for young researchers from the partner countries to interact with them and get actively involved in the most attractive and promising interdisciplinary area of contemporary condensed matter physics.
Author : Andrei D. Zaikin
Release : 2019-05-24
Genre : Science
Kind : eBook
Book Rating : 664/5 ( reviews)
Book Synopsis Dissipative Quantum Mechanics of Nanostructures by : Andrei D. Zaikin
Download or read book Dissipative Quantum Mechanics of Nanostructures written by Andrei D. Zaikin. This book was released on 2019-05-24. Available in PDF, EPUB and Kindle. Book excerpt: Continuing miniaturization of electronic devices, together with the quickly growing number of nanotechnological applications, demands a profound understanding of the underlying physics. Most of the fundamental problems of modern condensed matter physics involve various aspects of quantum transport and fluctuation phenomena at the nanoscale. In nanostructures, electrons are usually confined to a limited volume and interact with each other and lattice ions, simultaneously suffering multiple scattering events on impurities, barriers, surface imperfections, and other defects. Electron interaction with other degrees of freedom generally yields two major consequences, quantum dissipation and quantum decoherence. In other words, electrons can lose their energy and ability for quantum interference even at very low temperatures. These two different, but related, processes are at the heart of all quantum phenomena discussed in this book. This book presents copious details to facilitate the understanding of the basic physics behind a result and the learning to technically reproduce the result without delving into extra literature. The book subtly balances the description of theoretical methods and techniques and the display of the rich landscape of the physical phenomena that can be accessed by these methods. It is useful for a broad readership ranging from master’s and PhD students to postdocs and senior researchers.
Author : Andrea Donarini
Release :
Genre :
Kind : eBook
Book Rating : 194/5 ( reviews)
Book Synopsis Quantum Transport in Interacting Nanojunctions by : Andrea Donarini
Download or read book Quantum Transport in Interacting Nanojunctions written by Andrea Donarini. This book was released on . Available in PDF, EPUB and Kindle. Book excerpt:
