Electron interactions, classical integrability, and level statistics in quantum dots

Details Electron interactions, classical integrability, and level statistics in quantum dots Electron interactions, classical integrability, and level statistics in quantum dots

1998-09-17

arxiv.org/abs/cond-mat/9809227v1

Physica E, Vol 1 (1998)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Proceed of Dresden Conf on Mesoscopic Systems

Scientific paper

10.1016/S1386-9477(97)00059-3

The role of electronic interactions in the level structure of semiconductor quantum dots is analyzed in terms of the correspondence to the integrability of a classical system that models these structures. We find that an otherwise simple system is made strongly non-integrable in the classical regime by the introduction of particle interactions. In particular we present a two-particle classical system contained in a $d$-dimensional billiard with hard walls. Similarly, a corresponding two-dimensional quantum dot problem with three particles is shown to have interesting spectral properties as function of the interaction strength and applied magnetic fields.

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