Wigner molecules in quantum dots: a quantum Monte Carlo study

Details Wigner molecules in quantum dots: a quantum Monte Carlo study Wigner molecules in quantum dots: a quantum Monte Carlo study

2001-05-23

arxiv.org/abs/cond-mat/0105452v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

7 pages, 11 figures

Scientific paper

10.1103/PhysRevB.65.075309

We study two-dimensional quantum dots using the variational quantum Monte Carlo technique in the weak-confinement limit where the system approaches the Wigner molecule, i.e., the classical solution of point charges in an external potential. We observe the spin-polarization of electrons followed by a smooth transition to a Wigner-molecule-like state as the confining potential is made weaker.

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