Dynamical vertex approximation for nanoscopic systems

Details Dynamical vertex approximation for nanoscopic systems Dynamical vertex approximation for nanoscopic systems

2010-03-12

arxiv.org/abs/1003.2630v1

Phys. Rev. Lett. 104, 246402 (2010)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 2 color printed and 2 color online figures, 1 b&w figure, pdflatex

Scientific paper

10.1103/PhysRevLett.104.246402

With an increasing complexity of nanoscopic systems and the modeling thereof, new theoretical tools are needed for a reliable calculation of complex systems with strong electronic correlations. To this end, we propose a new approach based on the recently introduced dynamical vertex approximation. We demonstrate its reliability already on the one-particle vertex (i.e., dynamical mean field theory) level by comparison with the exact solution. Modeling a quantum point contact with 110 atoms, we show that the contact becomes insulating already before entering the tunneling regime due to a local Mott-Hubbard transition occurring on the atoms which form the point contact.

Affiliated with

Also associated with

No associations

Rating

Dynamical vertex approximation for nanoscopic systems 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 Dynamical vertex approximation for nanoscopic systems, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dynamical vertex approximation for nanoscopic systems will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-191055