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Scaling at the Chaos Threshold in an Interacting Quantum Dot by Leyronas, X.; Silvestrov, P. G.; Beenakker, C. W. J. is a scholarly article available to read on EtoBox.

What is Scaling at the Chaos Threshold in an Interacting Quantum Dot about?

The chaotic mixing by random two-body interactions of many-electron Fock states in a confined geometry is investigated numerically and compared with analytical predictions. Two distinct regimes are found in the dependence of the inverse participation ratio in Fock space I on the dimensionless conductance of the quantum dot g and the excitation energy E. In both regimes I>>1, but only the small-g regime is described by the golden rule. The crossover region is characterized by a maximum in a scaling function that becomes more pronounced with increasing excitation energy. The scaling parameter that governs the transition is (E/g)ln g.

Author

Leyronas, X.; Silvestrov, P. G.; Beenakker, C. W. J.

Published

1999

Language

EN