Hofstadter butterfly for a finite correlated system

Details Hofstadter butterfly for a finite correlated system Hofstadter butterfly for a finite correlated system

2007-03-22

arxiv.org/abs/cond-mat/0703565v1

Phys. Rev. B 74, 125116 (2006)

Physics

Condensed Matter

Strongly Correlated Electrons

7 pages, 5 figures, revtex

Scientific paper

10.1103/PhysRevB.74.125116

We investigate a finite two-dimensional system in the presence of external magnetic field. We discuss how the energy spectrum depends on the system size, boundary conditions and Coulomb repulsion. On one hand, using these results we present the field dependence of the transport properties of a nanosystem. In particular, we demonstrate that these properties depend on whether the system consists of even or odd number of sites. On the other hand, on the basis of exact results obtained for a finite system we investigate whether the Hofstadter butterfly is robust against strong electronic correlations. We show that for sufficiently strong Coulomb repulsion the Hubbard gap decreases when the magnetic field increases.

Affiliated with

Also associated with

No associations

Rating

Hofstadter butterfly for a finite correlated system 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 Hofstadter butterfly for a finite correlated system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hofstadter butterfly for a finite correlated system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-167968