Physics of Quantum Rings

Beschreibung

This book deals with a new class of materials, quantum rings. Innovative recent advances in experimental and theoretical physics of quantum rings are based on the most advanced state-of-the-art fabrication and characterization techniques as well as theoretical methods. The experimental efforts allow to obtain a new class of semiconductor quantum rings formed by capping self-organized quantum dots grown by molecular beam epitaxy. Novel optical and magnetic properties of quantum rings are associated with non-trivial topologies at the nanoscale. An adequate characterization of quantum rings is possible on the basis of modern characterization methods of nanostructures, such as Scanning Tunneling Microscopy. A high level of complexity is demonstrated to be needed for a dedicated theoretical model to adequately represent the specific features of quantum rings. The findings presented in this book contribute to develop low-cost high-performance electronic, spintronic, optoelectronic and information processing devices based on quantum rings. 
This book deals with a new class of materials, quantum rings. Innovative recent advances in experimental and theoretical physics of quantum rings are based on the most advanced state-of-the-art fabrication and characterization techniques as well as theoretical methods. The experimental efforts allow to obtain a new class of semiconductor quantum rings formed by capping self-organized quantum dots grown by molecular beam epitaxy. Novel optical and magnetic properties of quantum rings are associated with non-trivial topologies at the nanoscale. An adequate characterization of quantum rings is possible on the basis of modern characterization methods of nanostructures, such as Scanning Tunneling Microscopy. A high level of complexity is demonstrated to be needed for a dedicated theoretical model to adequately represent the specific features of quantum rings. The findings presented in this book contribute to develop low-cost high-performance electronic, spintronic, optoelectronic and information processing devices based on quantum rings.
Presents the new class of materials of quantum rings Provides an elemental basis for low-cost high-performance devices promising for electronics, optoelectronics, spintronics and quantum information processing Explains the physical properties of quantum rings to cover a gap in scientific literature Presents the application of most advanced nanoengineering and nanocharacterization techniques Includes supplementary material: sn.pub/extras

Autor*in

Vladimir M. Fomin

Themen in »Physics of Quantum Rings«

Aharonov-Bohm-type Oscillations Electron Transport Quantum Rings Fabrication of Quantum Rings Growth Quantum Rings Optical Properties of Quantum Rings Persistent Current in Quantum Rings Semiconductor Quantum Rings Spin Relaxation Theoretical Modelling Quantum Rings

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“The book explores in depth the physics of quantum interference phenomena such as the Aharonov-Bohm effect that are inherent to quantum rings. A good third of the book is devoted to fabrication, characterization and physical properties of such structures. The fabrication covers methods involving self-assembly by molecular beam epitaxy crystal growth as well as by methods of high resolution lithography.  A second third is devoted to the theory of quantum rings, in particular under the angle of their material properties, their optical properties, coulomb interaction and last but not least their mathematical differential properties. Finally, a third of the book is specifically focusing on Aharonov-Bohm of excitons, a very novel effect inherent to the optical properties of quantum rings.” (Khaled Karrai, Scientific Director, attocube systems AG)
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