We show that in quantum dots the physical quantities probed by local tunneling spectroscopies-namely, the quasiparticle wave functions of interacting electrons-can considerably deviate from their single-particle counterparts as an effect of Coulomb correlation. From the exact solution of the few-particle Hamiltonian for prototype dots, we find that such deviations are crucial to predict wave function images at low electron densities or high magnetic fields.
Imaging quasi-particle wavefunctions in quantum dots in via tunneling spectroscopy / Rontani, Massimo; Molinari, Elisa. - In: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS. - ISSN 1098-0121. - STAMPA. - 71:(2005), pp. 233106-233106.
Imaging quasi-particle wavefunctions in quantum dots in via tunneling spectroscopy
RONTANI, Massimo;MOLINARI, Elisa
2005
Abstract
We show that in quantum dots the physical quantities probed by local tunneling spectroscopies-namely, the quasiparticle wave functions of interacting electrons-can considerably deviate from their single-particle counterparts as an effect of Coulomb correlation. From the exact solution of the few-particle Hamiltonian for prototype dots, we find that such deviations are crucial to predict wave function images at low electron densities or high magnetic fields.
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