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The interplay between shell effects and electron correlations in quantum dots

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arxiv cond-mat/0002269 v2 pith:ANPC7EGW submitted 2000-02-17 cond-mat.stat-mech

The interplay between shell effects and electron correlations in quantum dots

classification cond-mat.stat-mech
keywords effectscorrelationsdotselectronelectronsenergyinterplayquantum
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We use the Path Integral Monte Carlo method to investigate the interplay between shell effects and electron correlations in single quantum dots with up to 12 electrons. By use of an energy estimator based on the hypervirial theorem of Hirschfelder we study the energy contributions of different interaction terms in detail. We discuss under which conditions the total spin of the electrons is given by Hund's rule, and the temperature dependence of the crystallization effects.

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