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Addition Spectra of Chaotic Quantum Dots: Interplay between Interactions and Geometry

Ahn, Kang-Hun ; Richter, Klaus ; Lee, In-Ho
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Date of publication of this fulltext: 05 Aug 2009 13:29



Abstract

We investigate the influence of interactions and geometry on ground states of clean chaotic quantum dots using the self-consistent Hartree-Fock method. We find two distinct regimes of interaction strength: While capacitive energy fluctuations {\it delta chi} follow approximately a random matrix prediction for weak interactions, there is a crossover to a regime where {\it delta chi} is ...

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