Current Density Functional approach to large quantum dots in intense magnetic fields

Details Current Density Functional approach to large quantum dots in intense magnetic fields Current Density Functional approach to large quantum dots in intense magnetic fields

1997-11-14

arxiv.org/abs/cond-mat/9711133v1

Phys. Rev. B57,(1998) 14783

Physics

Condensed Matter

Typeset using Revtex, 17 pages and 13 Postscript figures

Scientific paper

10.1103/PhysRevB.57.14783

Within Current Density Functional Theory, we have studied a quantum dot made of 210 electrons confined in a disk geometry. The ground state of this large dot exhibits some features as a function of the magnetic field (B) that can be attributed in a clear way to the formation of compressible and incompressible states of the system. The orbital and spin angular momenta, the total energy, ionization and electron chemical potentials of the ground state, as well as the frequencies of far-infrared edge modes are calculated as a function of B, and compared with available experimental and theoretical results.

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