Quantum and Classical Calculations of Ground State Properties of Parabolic Quantum Dots

Details Quantum and Classical Calculations of Ground State Properties of Parabolic Quantum Dots Quantum and Classical Calculations of Ground State Properties of Parabolic Quantum Dots

2005-10-07

arxiv.org/abs/cond-mat/0510185v1

Physics

Condensed Matter

Strongly Correlated Electrons

6 pages, submitted to PRB

Scientific paper

We report calculations for electronic ground states of parabolically confined quantum dots for up to 30 electrons based on the quantum Monte Carlo method. Effects of the electron-electron interaction and the response to a magnetic field are exposed. The wavefunctions and the ground state energies are compared with purely classical calculations performed with a comprehensive Molecular Dynamics code. For the chosen well parameters a close correspondence in the overall shape of electron density distribution is found even for small number of electrons, while the detailed radial distributions show the effects of Pauli principle in the quantal case.

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