Christian V. Morfonios,Peter Schmelcher's Control of Magnetotransport in Quantum Billiards: Theory, PDF

By Christian V. Morfonios,Peter Schmelcher

during this booklet the coherent quantum shipping of electrons via two-dimensional mesoscopic constructions is explored in dependence of the interaction among the confining geometry and the impression of utilized magnetic fields, aiming at conductance controllability.
After a top-down, insightful presentation of the weather of mesoscopic units and shipping thought, a computational strategy which treats multiterminal buildings of arbitrary geometry and topology is built. the tactic is determined by the modular meeting of the digital propagators of subsystems that are inter- or intra-connected supplying huge flexibility in procedure setups mixed with excessive computational potency. Conductance keep an eye on is first established for elongated quantum billiards and arrays thereof the place a susceptible magnetic box tunes the present by means of part modulation of interfering lead-coupled states geometrically separated from restrained states. Soft-wall potentials are then hired for effective and strong conductance switching through setting apart strength chronic, collimated or magnetically deflected electron paths from Fano resonances. In a multiterminal configuration, the guiding and focusing estate of curved boundary sections allows magnetically managed directional delivery with enter electron waves flowing completely to chose outputs. including a accomplished research of attribute delivery positive aspects and spatial distributions of scattering states, the consequences display the geometrically assisted layout of magnetoconductance keep watch over components within the linear reaction regime.

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Control of Magnetotransport in Quantum Billiards: Theory, Computation and Applications (Lecture Notes in Physics) by Christian V. Morfonios,Peter Schmelcher


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