Decoherence in elastic and polaronic transport via discrete quantum states

Details Decoherence in elastic and polaronic transport via discrete quantum states Decoherence in elastic and polaronic transport via discrete quantum states

2005-11-10

arxiv.org/abs/cond-mat/0511258v2

Cent. Eur. J. Phys. 4(2), pp. 241 - 253 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

11 pages, 3 figures

Scientific paper

10.2478/s11534-006-0009-y

Here we study the effect of decoherence on elastic and polaronic transport via discrete quantum states. The calculations are performed with the help of nonperturbative computational scheme, based on the 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 the linear and nonlinear transport conditions.

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