http://www.cnr.it/ontology/cnr/individuo/prodotto/ID59100
Optical probing of the metal-to-insulator transition in a two-dimensional high-mobility electron gas (Articolo in rivista)
- Type
- Label
- Optical probing of the metal-to-insulator transition in a two-dimensional high-mobility electron gas (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Alternative label
Dionigi F, F Rossella, V Bellani, M Amado, E Diez, K Kowalik, G Biasiol and L Sorba (2011)
Optical probing of the metal-to-insulator transition in a two-dimensional high-mobility electron gas
in New journal of physics
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Dionigi F, F Rossella, V Bellani, M Amado, E Diez, K Kowalik, G Biasiol and L Sorba (literal)
- Pagina inizio
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- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- F Dionigi 1,7, F Rossella 1, V Bellani 1,8, M Amado 2,3, E Diez 3, K Kowalik 4,9, G Biasiol 5 and L Sorba 6
1 Dipartimento di Fisica A Volta and CNISM, Università degli Studi di Pavia, 27100 Pavia, Italy
2 GISC and Departamento de Física de Materiales, Universidad Complutense, 28040 Madrid, Spain
3 Laboratorio de Bajas Temperaturas, Universidad de Salamanca,
37008 Salamanca, Spain
4 Laboratoire National des Champs Magnétiques Intenses, CNRS,
38042 Grenoble, France
5 Istituto Officina dei Materiali CNR, Laboratorio TASC, 34149 Trieste, Italy
6 NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore,
56126 Pisa, Italy (literal)
- Titolo
- Optical probing of the metal-to-insulator transition in a two-dimensional high-mobility electron gas (literal)
- Abstract
- We study the quantum Hall liquid and the metalinsulator transition in a high-mobility two-dimensional electron gas, by means of photoluminescence and magnetotransport measurements. In the integer and fractional regime at ½ > 1/3, by analyzing the emission energy dispersion we probe the magneto-Coulomb screening and the hidden symmetry of the electron liquid. In the fractional regime above ½ = 1/3, the system undergoes metal-toinsulator transition, and in the insulating phase the dispersion becomes linear
with evidence of an increased renormalized mass. (literal)
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- Autore CNR
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