Computational implementation of the Kubo formula for the static conductance: application to two-dimensional quantum dots

Details Computational implementation of the Kubo formula for the static conductance: application to two-dimensional quantum dots Computational implementation of the Kubo formula for the static conductance: application to two-dimensional quantum dots

1999-05-17

arxiv.org/abs/cond-mat/9905235v1

Computer Physics Communications 118, 71 (1999)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

14 pages, one table, no figures, RevTeX style

Scientific paper

10.1016/S0010-4655(99)00206-4

Kubo formula is used to get the d.c conductance of a statistical ensemble of two-dimensional clusters of the square lattice in the presence of standard diagonal disorder, a uniform magnetic field and random magnetic fluxes. Working within a one-band tight-binding approach the calculation is quite general. The shape of the cluster is rectangular with ideal leads attached to opposite corners. Both geometrical characteristics and physical parameters can be easily selected. The output is just the conductance of a system of given parameters or a statistical ensemble of conductances measured for different disorder realizations.

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