Photoemission From A Two Electron Quantum Dot
Abstract
We consider photoemission from a two-electron quantum dot and find analytic expression for the cross-section. We show that the emission cross-section from the ground state as a function of magnetic field has sharp discontinuities corresponding to the singlet-triplet transitions for low magnetic fields and the transitions between magic numbers (2J+1) for high magnetic field. We also find the corrections to the photoemission cross-section from a more realistic quantum dot having a finite thickness due to nonvanishing extent of electron wave function in the direction perpendicular to the plane in which 2-D dot electrons are usually confined.
- Publication:
-
arXiv e-prints
- Pub Date:
- January 2002
- DOI:
- 10.48550/arXiv.cond-mat/0201341
- arXiv:
- arXiv:cond-mat/0201341
- Bibcode:
- 2002cond.mat..1341G
- Keywords:
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- Mesoscopic Systems and Quantum Hall Effect
- E-Print:
- 14 pages, 7 figures