Control of Magnetotransport in Quantum Billiards - Theory, Computation and Applications (Paperback, 1st ed. 2017)

In this book the coherent quantum transport of electrons through two-dimensional mesoscopic structures is explored in dependence of the interplay between the confining geometry and the impact of applied magnetic fields, aiming at conductance controllability. After a top-down, insightful presentation of the elements of mesoscopic devices and transport theory, a computational technique which treats multiterminal structures of arbitrary geometry and topology is developed. The method relies on the modular assembly of the electronic propagators of subsystems which are inter- or intra-connected providing large flexibility in system setups combined with high computational efficiency. Conductance control is first demonstrated for elongated quantum billiards and arrays thereof where a weak magnetic field tunes the current by phase modulation of interfering lead-coupled states geometrically separated from confined states. Soft-wall potentials are then employed for efficient and robust conductance switching by isolating energy persistent, collimated or magnetically deflected electron paths from Fano resonances. In a multiterminal configuration, the guiding and focusing property of curved boundary sections enables magnetically controlled directional transport with input electron waves flowing exclusively to selected outputs. Together with a comprehensive analysis of characteristic transport features and spatial distributions of scattering states, the results demonstrate the geometrically assisted design of magnetoconductance control elements in the linear response regime.

General

Imprint:	Springer International Publishing AG
Country of origin:	Switzerland
Series:	Lecture Notes in Physics, 927
Release date:	November 2016
First published:	2017
Authors:	Christian V. Morfonios • Peter Schmelcher
Dimensions:	235 x 155mm (L x W)
Format:	Paperback
Pages:	252
Edition:	1st ed. 2017
ISBN-13:	978-3-319-39831-0
Categories:	Books > Science & Mathematics > Physics > Electricity, magnetism & electromagnetism Books > Professional & Technical > Technology: general issues > Nanotechnology Books > Professional & Technical > Industrial chemistry & manufacturing technologies > Other manufacturing technologies > Precision instruments manufacture > General Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Electronic devices & materials > General
LSN:	3-319-39831-8
Barcode:	9783319398310

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