On the formation of Wigner molecules in small quantum dots

Details On the formation of Wigner molecules in small quantum dots On the formation of Wigner molecules in small quantum dots

2000-04-06

arxiv.org/abs/cond-mat/0004093v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1103/PhysRevB.62.8108

It was recently argued that in small quantum dots the electrons could crystallize at much higher densities than in the infinite two-dimensional electron gas. We compare predictions that the onset of spin polarization and the formation of Wigner molecules occurs at a density parameter $r_s\approx 4 a_B^*$ to the results of a straight-forward diagonalization of the Hamiltonian matrix.

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