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Anomalous Charge Tunneling in Fractional Quantum Hall Edge States at a Filling Factor nu=5/2 (Articolo in rivista)
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- Label
- Anomalous Charge Tunneling in Fractional Quantum Hall Edge States at a Filling Factor nu=5/2 (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevLett.107.146404 (literal)
- Alternative label
Carrega, M; Ferraro, D; Braggio, A; Magnoli, N; Sassetti, M (2011)
Anomalous Charge Tunneling in Fractional Quantum Hall Edge States at a Filling Factor nu=5/2
in Physical review letters (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Carrega, M; Ferraro, D; Braggio, A; Magnoli, N; Sassetti, M (literal)
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- http://link.aps.org/doi/10.1103/PhysRevLett.107.146404 (literal)
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- [Carrega, M] Ist Nanosci CNR, NEST, I-56126 Pisa, Italy; [Carrega, M] Scuola Normale Super Pisa, I-56126 Pisa, Italy; [Ferraro, D.; Magnoli, N.; Sassetti, M.] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy; [Ferraro, D.; Magnoli, N.] Univ Genoa, Ist Nazl Fis Nucl, I-16146 Genoa, Italy; [Braggio, A.; Sassetti, M.] CNR-SPIN, Via Dodecaneso 33, I-16146 Genoa, Italy (literal)
- Titolo
- Anomalous Charge Tunneling in Fractional Quantum Hall Edge States at a Filling Factor nu=5/2 (literal)
- Abstract
- We explain effective charge anomalies recently observed for fractional quantum Hall edge states at nu = 5/2 [M. Dolev, Y. Gross, Y. C. Chung, M. Heiblum, V. Umansky, and D. Mahalu, Phys. Rev. B 81, 161303(R) (2010)]. The experimental data of differential conductance and excess noise are fitted, using the anti-Pfaffian model, by properly taking into account renormalizations of the Luttinger parameters induced by the coupling of the system with an intrinsic 1/f noise. We demonstrate that a peculiar agglomerate excitation with charge e/2, double the expected e/4 charge, dominates the transport properties at low energies. (literal)
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