NDLI: Green's function simulation of quantum structures including magnetic field

Content Provider	IEEE Xplore Digital Library
Author	Dapeng Guan Ravaioli, U.
Copyright Year	2002
Description	Author affiliation: Beckman Inst., Illinois Univ., Urbana, IL, USA (Dapeng Guan; Ravaioli, U.)
Abstract	Practical simulation of quantum structures requires considerable development of numerical tools and physical models, in order to approach the level of functionality of established methodologies for classical devices. We have realized a general procedure for multidimensional nonequilibrium Green's functions (NEGF) simulation, coupled to a variety of Schrodinger and Poisson solvers for different applications. Here, we describe the extensions of the model to include the effect of magnetic field and extend the simulation to multiterminal structures. We outline a procedure for the proper evaluation of the self-energy in all open terminals by using a suitable gauge transformation which is required by the nonhermitian Hamiltonian. We apply the method to the simulation of structures used for quantum-Hall effect which provide a well-tested benchmark for theoretical models and simulations including the magnetic field.
Starting Page	413
Ending Page	416
File Size	290075
Page Count	4
File Format	PDF
ISBN	0780375386
DOI	10.1109/NANO.2002.1032278
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-08-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Green's function methods Magnetic fields Hall effect Probes Multidimensional systems Quantum mechanics Magnetic field measurement Electrons Voltage Optical scattering
Content Type	Text
Resource Type	Article

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