Electron transport through a quantum cavity

Y. Wang; W. Y. Deng; S. Y. Chou

doi:10.1006/spmi.1995.1036

Electron transport through a quantum cavity

Y. Wang, W. Y. Deng, S. Y. Chou

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Electron transport through a quantum cavity coupled with two one-dimensional waveguides is studied using a generalized scattering matrix method. In a symmetric N-channel cavity model, we are able to obtain an exact solution that predicts the electron energies at which the transmission of electron waves become zero. We found that the zero of transmission is closely related to the longitudinal resonance through inter-channel scattering, in particular, to the resonance of the highest propagating mode inside the cavity. This model provides a simple way to calculate the electron transmission through a cavity which could be useful in quantum waveguide engineering.

Original language	English (US)
Pages (from-to)	193-196
Number of pages	4
Journal	Superlattices and Microstructures
Volume	17
Issue number	2
DOIs	https://doi.org/10.1006/spmi.1995.1036
State	Published - Jan 1 1995
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Materials Science
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1006/spmi.1995.1036

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AB - Electron transport through a quantum cavity coupled with two one-dimensional waveguides is studied using a generalized scattering matrix method. In a symmetric N-channel cavity model, we are able to obtain an exact solution that predicts the electron energies at which the transmission of electron waves become zero. We found that the zero of transmission is closely related to the longitudinal resonance through inter-channel scattering, in particular, to the resonance of the highest propagating mode inside the cavity. This model provides a simple way to calculate the electron transmission through a cavity which could be useful in quantum waveguide engineering.

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Electron transport through a quantum cavity

Abstract

All Science Journal Classification (ASJC) codes

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