http://www.cnr.it/ontology/cnr/individuo/prodotto/ID182314
Neutral modes' edge state dynamics through quantum point contacts (Articolo in rivista)
- Type
- Label
- Neutral modes' edge state dynamics through quantum point contacts (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1088/1367-2630/12/1/013012 (literal)
- Alternative label
Ferraro, D; Braggio, A; Magnoli, N; Sassetti M (2010)
Neutral modes' edge state dynamics through quantum point contacts
in New journal of physics
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Ferraro, D; Braggio, A; Magnoli, N; Sassetti M (literal)
- Pagina inizio
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://iopscience.iop.org/1367-2630/12/1/013012 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- [Ferraro, D; Magnoli, N] Dipartimento di Fisica, Università di Genova, INFN, Via Dodecaneso 33, 16146 Genova, Italy; [Braggio, A; Sassetti M] Dipartimento di Fisica, Università di Genova, CNR-INFM LAMIA, Via Dodecaneso 33, 16146 Genova, Italy (literal)
- Titolo
- Neutral modes' edge state dynamics through quantum point contacts (literal)
- Abstract
- The dynamics of neutral modes for fractional quantum Hall states is investigated for a quantum point contact geometry in the weak-backscattering regime. The effective field theory introduced by Fradkin-Lopez for edge states in the Jain sequence is generalized to the case of propagating neutral modes. The dominant tunnelling processes are identified also in the presence of non-universal phenomena induced by interactions. The crossover regime in the backscattering current between tunnelling of single-quasiparticles and of agglomerates of p-quasiparticles is analysed. We demonstrate that higher-order cumulants of the backscattering current fluctuations are a unique resource to study quantitatively the competition between different carrier charges. We find that propagating neutral modes are a necessary ingredient in order to explain this crossover phenomenon. (literal)
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- Autore CNR
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