Magnetic Thomas-Fermi-Weizsäcker model for quantum dots: a comparison with Kohn-Sham ground states

Details Magnetic Thomas-Fermi-Weizsäcker model for quantum dots: a comparison with Kohn-Sham ground states Magnetic Thomas-Fermi-Weizsäcker model for quantum dots: a comparison with Kohn-Sham ground states

2000-10-25

arxiv.org/abs/cond-mat/0010401v2

EPJ-D 14, 77 (2001)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

EPJ LateX, revised EPJ-D

Scientific paper

10.1007/s100530170237

The magnetic extension of the Thomas-Fermi-Weizs\"acker kinetic energy is used within density-functional-theory to numerically obtain the ground state densities and energies of two-dimensional quantum dots. The results are thoroughly compared with the microscopic Kohn-Sham ones in order to assess the validity of the semiclassical method. Circular as well as deformed systems are considered.

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