Ciorga, M. and Wensauer, A. and Pioro-Ladriere, M. and Korkusinski, M. and Kyriakidis, J. and Sachrajda, A. S. and Hawrylak, P. (2002) Collapse of the spin-singlet phase in quantum dots. PHYSICAL REVIEW LETTERS, 88 (25): 256804. ISSN 0031-9007
Full text not available from this repository.Abstract
We present experimental and theoretical results on a new regime in quantum dots in which the filling factor two-singlet state is replaced by new spin polarized phases. We make use of spin blockade spectroscopy to identify the transition to this new regime as a function of the number of electrons. The key experimental observation is a reversal of the phase in the systematic oscillation of the amplitude of Coulomb blockade peaks as the number of electrons is increased above a critical number. It is found theoretically that correlations are crucial to the existence of the new phases.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ARTIFICIAL ATOMS; ADDITION SPECTRUM; MAGNETIC-FIELDS; COULOMB; SPECTROSCOPY; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 19 Oct 2021 06:59 |
| Last Modified: | 19 Oct 2021 06:59 |
| URI: | https://pred.uni-regensburg.de/id/eprint/40150 |
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