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Electron Correlations in a Quantum Dot with Bychkov-Rashba Coupling | | Tapash Chakraborty
; Pekka Pietilainen
; | | Date: |
11 Oct 2004 | | Subject: | Disordered Systems and Neural Networks | cond-mat.dis-nn | | Affiliation: | University of Manitoba, Canada) and Pekka Pietilainen (University of Oulu, Finland | | Abstract: | We report on a theoretical approach developed to investigate the influence of Bychkov-Rashba interaction on a few interacting electrons confined in a quantum dot. We note that the spin-orbit coupling profoundly influences the energy spectrum of interacting electrons in a quantum dot. Inter-electron interaction causes level crossings in the ground state and a jump in magnetization. As the coupling strength is increased, that jump is shifted to lower magnetic fields. Low-field magnetization will therefore provide a direct probe of the spin-orbit coupling strength in a quantum dot. | | Source: | arXiv, cond-mat/0410248 | | Services: | Forum | Review | PDF | Favorites | |
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