Singlet–triplet transition of a two-elec
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F. Malet; M. Pi; Ll. Serra; E. Lipparini
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Article
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2008
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Elsevier Science
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English
⚖ 143 KB
We present an exact numerical calculation of the spin phase diagram of a two-electron quantum ring as a function of an applied inplane electric field E and a perpendicular magnetic field B. In general, large E and B favour, respectively, singlet and triplet states. At low fields, however, the spin p