Scrambling and Gate Effects in Realistic Quantum Dots

Details Scrambling and Gate Effects in Realistic Quantum Dots Scrambling and Gate Effects in Realistic Quantum Dots

2004-05-12

arxiv.org/abs/cond-mat/0405262v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 3 figures

Scientific paper

10.1103/PhysRevB.71.085313

We evaluate the magnitude of two important mesoscopic effects using a realistic model of typical quantum dots. ``Scrambling'' and ``gate effect'' are defined as the change in the single-particle spectrum due to added electrons or gate-induced shape deformation, respectively. These two effects are investigated systematically in both the self-consistent Kohn-Sham (KS) theory and a Fermi liquid-like Strutinsky approach. We find that the genuine scrambling effect is small because the potential here is smooth. In the KS theory, a key point is the implicit inclusion of residual interactions in the spectrum; these dominate and make scrambling appear larger. Finally, the gate effect is comparable in the two cases and, while small, is able to cause gate-induced spin transitions.

Affiliated with

Also associated with

No associations

Rating

Scrambling and Gate Effects in Realistic Quantum Dots 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 Scrambling and Gate Effects in Realistic Quantum Dots, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Scrambling and Gate Effects in Realistic Quantum Dots will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-536323