Spin and interaction effects in quantum dots: a Hartree-Fock-Koopmans approach

Details Spin and interaction effects in quantum dots: a Hartree-Fock-Koopmans approach Spin and interaction effects in quantum dots: a Hartree-Fock-Koopmans approach

2002-02-25

arxiv.org/abs/cond-mat/0202453v2

Phys. Rev. B 66 (2002) 245313

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 4 eps figures, revised

Scientific paper

10.1103/PhysRevB.66.245313

We use a Hartree-Fock-Koopmans approach to study spin and interaction effects in a diffusive or chaotic quantum dot. In particular, we derive the statistics of the spacings between successive Coulomb-blockade peaks. We include fluctuations of the matrix elements of the two-body screened interaction, surface-charge potential, and confining potential to leading order in the inverse Thouless conductance. The calculated peak-spacing distribution is compared with experimental results.

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