Ground-state of two-dimensional finite electron systems in the Quantum Hall regime

Details Ground-state of two-dimensional finite electron systems in the Quantum Hall regime Ground-state of two-dimensional finite electron systems in the Quantum Hall regime

2005-03-09

arxiv.org/abs/cond-mat/0503191v3

Phys. Rev. Lett. 94, 246803 (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures (3 in colour), revised in response to referees' comments, to appear in Phys. Rev. lett

Scientific paper

10.1103/PhysRevLett.94.246803

We study electronic structures of quasi-two-dimensional finite electron systems in high magnetic fields. The solutions in the fractional quantum Hall regime are interpreted as quantum liquids of electrons and off-electron vortices. The ground states are classified according to the number of vortices inside the electron droplet. The theory predicts observable effects due to vortex formation in the chemical potentials and magnetization of electron droplets. We compare the transitions in the theory to those found in electron transport experiments on a quantum dot device and find significant correspondence.

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