Decoherence in elastic and polaronic transport via discrete quantum states

• Authors: Kamil Walczak
• Languages of publication: EN

Abstracts

EN

In this work we study the effect of decoherence on elastic and polaronic transport via discrete quantum states. Calculations are performed with the help of a nonperturbative computational scheme, based on Green’s function theory within the framework of polaron transformation (GFT-PT), where the many-body electron-phonon interaction problem is mapped exactly into a single-electron multi-channel scattering problem. In particular, the influence of dephasing and relaxation processes on the shape of the electrical current and shot noise curves is discussed in detail under linear and nonlinear transport conditions.

Keywords

EN

Decoherence; polaronic transport; molecular quantum dot; dephasing; molecular electronics; 73.38.-k; 73.63.-b; 75.20.Hr; 85.65.+h

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2006
• Volume: 4
• Issue: 2
• Pages: 241-253

Dates

published

1 - 6 - 2006

online

1 - 6 - 2006

Contributors

author

Kamil Walczak

• Institute of Physics, Adam Mickiewicz University, Umultowska 85, 61-614, Poznań, Poland

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Identifiers

DOI

10.2478/s11534-006-0009-y