http://www.cnr.it/ontology/cnr/individuo/prodotto/ID174556
Competing mechanisms for singlet-triplet transition in artificial molecules (Articolo in rivista)
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- Competing mechanisms for singlet-triplet transition in artificial molecules (Articolo in rivista) (literal)
- Anno
- 2004-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevB.69.201308 (literal)
- Alternative label
Bellucci D; Rontani M; Troiani F, Goldoni G, MOLINARI E. (2004)
Competing mechanisms for singlet-triplet transition in artificial molecules
in Physical review. B, Condensed matter (Online); American Physical Society (APS), College Pk (Stati Uniti d'America)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Bellucci D; Rontani M; Troiani F, Goldoni G, MOLINARI E. (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://link.aps.org/doi/10.1103/PhysRevB.69.201308 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- INFM-National Research Center on nano-Structures and bio-Systems at Surfaces (S3) and Dipartimento di Fisica, Università degli Studi di Modena e Reggio Emilia, Via Campi 213/A, 41100 Modena, Italy (literal)
- Titolo
- Competing mechanisms for singlet-triplet transition in artificial molecules (literal)
- Abstract
- We study the magnetic field induced singlet/triplet transition for two electrons in vertically-coupled quantum dots by exact diagonalization of the Coulomb interaction. We identify the different mechanisms occurring in the transition, involving either in-plane correlations or localization in opposite dots, depending on the field direction. Therefore, both spin and orbital degrees of freedom can be manipulated by field strength and direction. The phase diagram of realistic devices is determined. (literal)
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