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A continuum model for dephasing in mesoscopic systems
Date
2011-08-01
Author
Şenozan, Selma
Turgut, Sadi
Tomak, Mehmet
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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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