Diffusion and localization in quantum random resistor networks

Details Diffusion and localization in quantum random resistor networks Diffusion and localization in quantum random resistor networks

2008-07-02

arxiv.org/abs/0807.0226v1

Phys. Rev. B 78, 155115 (2008)

Physics

Condensed Matter

Strongly Correlated Electrons

6 pages, 4 figures

Scientific paper

10.1103/PhysRevB.78.155115

The theoretical description of transport in a wide class of novel materials is based upon quantum percolation and related random resistor network (RRN) models. We examine the localization properties of electronic states of diverse two-dimensional quantum percolation models using exact diagonalization in combination with kernel polynomial expansion techniques. Employing the local distribution approach we determine the arithmetically and geometrically averaged densities of states in order to distinguish extended, current carrying states from localized ones. To get further insight into the nature of eigenstates of RRN models we analyze the probability distribution of the local density of states in the whole parameter and energy range. For a recently proposed RRN representation of graphene sheets we discuss leakage effects.

Affiliated with

Also associated with

No associations

Rating

Diffusion and localization in quantum random resistor networks does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Diffusion and localization in quantum random resistor networks, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Diffusion and localization in quantum random resistor networks will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-421460