Quantum Hall droplets in coupled lateral quantum dots

Details Quantum Hall droplets in coupled lateral quantum dots Quantum Hall droplets in coupled lateral quantum dots

2006-03-27

arxiv.org/abs/cond-mat/0603723v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures, to appear in Physica E (EP2DS-2005)

Scientific paper

10.1016/j.physe.2006.03.047

We present a theory and Coulomb and Spin Blockade spectroscopy experiments on quantum Hall droplets with controlled electron numbers (N1,N2) in laterally coupled gated quantum dots. The theory is based on the configuration interaction method (CI) coupled with the unrestricted Hartree-Fock (URHF) basis. It allows us to calculate the magnetic field evolution of ground and excited states of coupled quantum dots with large electron numbers. The method is applied to the spin transitions in the (5,5) droplet. Preliminary experimental results demonstrate the creation of the (5,5) droplet and its Spin Blockade spectra.

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