A continuum model for dephasing in mesoscopic systems

Date

2011-08-01

Author

Şenozan, Selma
Turgut, Sadi
Tomak, Mehmet

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A model of continuous dephasing for one-dimensional mesoscopic conductors is proposed. The model is based on Buttiker's fictitious-probe model which is extended by attaching an infinite number of probes uniformly to various points on the conductor. The associated scattering problem is then solved. When the continuum limit is taken, it becomes possible to describe the dephasing as taking place everywhere. The dephasing rate enters into the model as an adjustable parameter. The effect of dephasing on the conductance for a double-barrier system is also studied numerically.

Subject Keywords

Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, Condensed Matter Physics

URI

https://hdl.handle.net/11511/42114

Journal

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES

DOI

https://doi.org/10.1016/j.physe.2011.06.025

Collections

Department of Physics, Article