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Photoemission From A Two Electron Quantum Dot | | Pallab Goswami
; Subinoy Das
; J.K.Bhattacharjee
; | | Date: |
18 Dec 2001 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | | 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. | | Source: | arXiv, cond-mat/0201341 | | Services: | Forum | Review | PDF | Favorites | |
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