Electronic states in an infinite one-dimensional random binary quantum wire in the presence of electric field

E. Faizabadi

doi:10.1117/12.758079

4 January 2008 Electronic states in an infinite one-dimensional random binary quantum wire in the presence of electric field

E. Faizabadi

Author Affiliations +

Proceedings Volume 6831, Nanophotonics, Nanostructure, and Nanometrology II; 68310X (2008) https://doi.org/10.1117/12.758079
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

We use a tight-binding Hamiltonian for an infinite quantum wire with substitusional disorder of A and B atoms in a uniform electric field and calculate the density of states by coherent-potential approximation method. The electric field produces a little oscillation on the local density of states and by increasing the strength of the electric field the amplitudes of the oscillations grow up and they becomes more localized too. Also, by increasing the strength of the electric field, the range of the extension of the energy spread out. The density of states at E=0 versus a parameter which depends on electric field, is calculated and it shows oscillating pattern too. The local density of states for the different sites is calculated and all of them are similar except a shift which is proportional to the strength of the electric field.

Citation Download Citation

E. Faizabadi "Electronic states in an infinite one-dimensional random binary quantum wire in the presence of electric field", Proc. SPIE 6831, Nanophotonics, Nanostructure, and Nanometrology II, 68310X (4 January 2008); https://doi.org/10.1117/12.758079

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