Recursive approach to study transport properties of atomic wire

Details Recursive approach to study transport properties of atomic wire Recursive approach to study transport properties of atomic wire

2011-06-06

arxiv.org/abs/1106.1061v1

Eur. Phys. J. B {\bf 66}, 57 (2008)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

9 pages, 8 figures, table 1

Scientific paper

10.1140/epjb/e2008-00408-2

In this study, we propose a recursive approach to study the transport properties of atomic wires. It is based upon a real-space block-recursion technique with Landauer's formula being used to express the conductance as a scattering problem. To illustrate the method, we have applied it on a model system described by a single band tight-binding Hamiltonian. Results of our calculation therefore may be compared with the reported results on Na-atom wire. Upon tuning the tight-binding parameters, we can distinctly identify the controlling parameters responsible to decide the width as well as the phase of odd-even oscillations in the conductance.

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