Electron Scattering Through a Quantum Dot: A Phase Lapse Mechanism

Details Electron Scattering Through a Quantum Dot: A Phase Lapse Mechanism Electron Scattering Through a Quantum Dot: A Phase Lapse Mechanism

1996-07-21

arxiv.org/abs/cond-mat/9607145v1

Physics

Condensed Matter

12 Pages, Revtex, 3 figures

Scientific paper

10.1103/PhysRevB.55.13726

The scattering phase shift of an electron transferred through a quantum dot is studied within a model Hamiltonian, accounting for both the electron--electron interaction in the dot and a finite temperature. It is shown that, unlike in an independent electron picture, this phase may exhibit a phase lapse of $ \pi $ {\em between } consecutive resonances under generic circumstances.

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