We theoretically investigate the properties of neutral and charged excitons and of the biexciton in vertically coupled quantum dots, as a function of the in-plane magnetic field B-parallel to. The main effect of the field consists in the suppression of the bonding-antibonding splitting, and in the resulting enhancement of the interdot correlations. As a consequence, the excitons form with the additional carrier a bound or an unbound complex depending on the sign of the charging, whereas the biexciton undergoes a transition between different quantum states with increasing B-parallel to. The discussed behaviors and transitions show up in the field dependence of experimentally accessible quantities, such as the charged-exciton and biexciton binding energies.
Neutral and charged electron-hole complexes in artificial molecules: quantum transitions induced by the in-plane magnetic field / Bellucci, D.; Troiani, Filippo; Goldoni, Guido; Molinari, Elisa. - In: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS. - ISSN 1098-0121. - STAMPA. - 70(2004), pp. 1-9.
Data di pubblicazione: | 2004 |
Titolo: | Neutral and charged electron-hole complexes in artificial molecules: quantum transitions induced by the in-plane magnetic field |
Autore/i: | Bellucci, D.; Troiani, Filippo; Goldoni, Guido; Molinari, Elisa |
Autore/i UNIMORE: | |
Rivista: | |
Volume: | 70 |
Pagina iniziale: | 1 |
Pagina finale: | 9 |
Codice identificativo ISI: | WOS:000225478600097 |
Codice identificativo Scopus: | 2-s2.0-42749102255 |
Citazione: | Neutral and charged electron-hole complexes in artificial molecules: quantum transitions induced by the in-plane magnetic field / Bellucci, D.; Troiani, Filippo; Goldoni, Guido; Molinari, Elisa. - In: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS. - ISSN 1098-0121. - STAMPA. - 70(2004), pp. 1-9. |
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