Collapse of the spin-singlett phase in quantum dots

Ciorga, Mariusz, Wensauer, Andreas, Pioro-Ladriere, Michel, Korkusinski, Marek, Kyriakidis, Jordan, Sachrajda, Andrew S. und Hawrylak, Pawel (2002) Collapse of the spin-singlett phase in quantum dots. Physical Review Letters 88 (25), S. 256804.

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Andere URL zum Volltext: http://link.aps.org/abstract/PRL/v88/e256804

Zusammenfassung

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 ...

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