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First-principles calculations of tunneling conductance

First-principles calculations of tunneling conductance Based on the embedding Green function method, we present a formula to calculate the current through a tunnel barrier. In contrast to the Landauer equation, our approach incorporates not only the contribution of propagating bulk states but also tunneling from localized states. As a first example, field emission from Cu surfaces and electronic transport in a Cu -vacuum- Cu system are presented. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review B American Physical Society (APS)

First-principles calculations of tunneling conductance

Ishida, H; Wortmann, D; Ohwaki, T
Physical Review B , Volume 70 (8) – Aug 15, 2004
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Publisher
American Physical Society (APS)
Copyright
Copyright © 2004 The American Physical Society
ISSN
1550-235X
DOI
10.1103/PhysRevB.70.085409
Publisher site
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Abstract

Based on the embedding Green function method, we present a formula to calculate the current through a tunnel barrier. In contrast to the Landauer equation, our approach incorporates not only the contribution of propagating bulk states but also tunneling from localized states. As a first example, field emission from Cu surfaces and electronic transport in a Cu -vacuum- Cu system are presented.

Journal

Physical Review B – American Physical Society (APS)

Published: Aug 15, 2004

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