Tuning of coupling modes in laterally parallel double open quantum dots

Details Tuning of coupling modes in laterally parallel double open quantum dots Tuning of coupling modes in laterally parallel double open quantum dots

2005-07-29

arxiv.org/abs/cond-mat/0507721v1

Phys. Rev. B 72, 195331 (2005) (12 pages)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

RevTeX, 13 pages with 18 included postscript figures, high resolution version is available at http://hartree.raunvis.hi.is/~

Scientific paper

10.1103/PhysRevB.72.195331

We consider electronic transport through laterally parallel double open quantum dots embedded in a quantum wire in a perpendicular magnetic field. The coupling modes of the dots are tunable by adjusting the strength of a central barrier and the applied magnetic field. Probability density and electron current density are calculated to demonstrate transport effects including magnetic blocking, magnetic turbulence, and a hole-like quasibound state feature. Fano to dip line-shape crossover in the conductance is found by varying the magnetic field.

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