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Regensburg 2004 – scientific programme

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TT: Tiefe Temperaturen

TT 11: Nanoelektronik I: Quantenpunkte, -dr
ähte, -punktkontakte

TT 11.9: Talk

Tuesday, March 9, 2004, 11:30–11:45, H19

Inelastic quantum transport through a mesoscopic region — •Dmitri Ryndyk — Institut für Theoretische Physik, Universität Regensburg, 93040 Regensburg

We consider quantum transport through a (nonequilibrium) mesoscopic region at finite voltage with inelastic scattering inside a region. In this case the standard Landauer-Buttiker approach can not be used anymore. We use the Nonequilibrium Green Function method and develop quasi-classical kinetic theory. We show that, due to a nonequilibrium distribution function in the mesoscopic region, inelastic scattering rate is a function of voltage and can be significantly enhanced. This effect can be used for investigation of an inelastic scattering at low energies, e.g. in the resonant tunneling devices.

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