The Non-Equilibrium Green's Function Method for Nanoscale Device Simulation

byMahdi Pourfath

Hardcover | July 25, 2014

The Non-Equilibrium Green's Function Method for Nanoscale Device Simulation by Mahdi Pourfath
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For modeling the transport of carriers in nanoscale devices, a Green-function formalism is the most accurate approach. Due to the complexity of the formalism, one should have a deep understanding of the underlying principles and use smart approximations and numerical methods for solving the kinetic equations at a reasonable computational time.

In this book the required concepts from quantum and statistical mechanics and numerical methods for calculating Green functions are presented. The Green function is studied in detail for systems both under equilibrium and under nonequilibrium conditions. Because the formalism enables rigorous modeling of different scattering mechanisms in terms of self-energies, but an exact evaluation of self-energies for realistic systems is not possible, their approximation and inclusion in the quantum kinetic equations of the Green functions are elaborated. All the elements of the kinetic equations, which are the device Hamiltonian, contact self-energies and scattering self-energies, are examined and efficient methods for their evaluation are explained. Finally, the application of these methods to study novel electronic devices such as nanotubes, graphene, Si-nanowires and low-dimensional thermoelectric devices and photodetectors are discussed.

Title:The Non-Equilibrium Green's Function Method for Nanoscale Device SimulationFormat:HardcoverProduct dimensions:256 pages, 9.25 X 6.1 X 0 inShipping dimensions:256 pages, 9.25 X 6.1 X 0 inPublished:July 25, 2014Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:3709117992

ISBN - 13:9783709117996

Appropriate for ages: All ages

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