2024-03-28T19:33:01Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1613742018-02-28T01:55:31Zcom_10261_10252com_10261_3col_10261_10259
DIGITAL.CSIC
author
Triozon, François
author
Roche, Stephan
author
Niquet, Yann-Michel
2018-02-27T10:18:24Z
2018-02-27T10:18:24Z
2016
Simulation of Transport in Nanodevices: 163-222 (2016)
http://hdl.handle.net/10261/161374
This chapter presents a detailed study of wavepacket propagation in various physical situations. This approach provides an intuitive understanding of quantum transport and its semiclassical limit. The chapter addresses the transmission formalism, which treats transport through a small conductor connected to electrodes. It introduces the Landauer–Buttiker formulation of transport, based on the quantum transmission of wavepackets through a conductor connected to electrodes. This formalism is very well suited to the study of electron transport through a small system connected to macroscopic electrodes. The chapter presents a step-by-step introduction to the Green's function method, which allows calculating the quantum transmission efficiently. It highlights the link between the Green's function and wavepacket propagation. Stationary states built from the Green's functions can be viewed as wavepackets with a spatial extension tending to infinity. Simulating transient regimes and noise is of great importance for technological applications.
eng
closedAccess
Wavepacket propagation
Transmission formalism
Technological applications
Quantum transport
Macroscopic electrodes
Landauer–Buttiker formulation
Green's function
Introduction to quantum transport
capítulo de libro
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URL
https://digital.csic.es/bitstream/10261/161374/1/accesoRestringido.pdf
File
MD5
42637ae8545636bc41605c1740a9a84e
15753
application/pdf
accesoRestringido.pdf