Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2007-07-25
Phys. Rev. B 77, 035325 (2008)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
12 pages, 5 tables, 10 figures, submitted to Phys. Rev. B
Scientific paper
10.1103/PhysRevB.77.035325
We report results for the ground state energies and wave functions obtained by projecting spatially unrestricted Hartree Fock states to eigenstates of the total spin and the angular momentum for harmonic quantum dots with $N\leq 12$ interacting electrons including a magnetic field states with the correct spatial and spin symmetries have lower energies than those obtained by the unrestricted method. The chemical potential as a function of a perpendicular magnetic field is obtained. Signature of an intrinsic spin blockade effect is found.
Cavaliere Fabio
Cenni Rinaldo
Giovannini U. de
Kramer Bernhard
Sassetti Maura
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