Quantum Hall Mach Zehnder interferometer at fractional filling factors (Articolo in rivista)

Type
Label
  • Quantum Hall Mach Zehnder interferometer at fractional filling factors (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1209/0295-5075/100/67009 (literal)
Alternative label
  • E. V. Deviatov, S. V. Egorov, G. Biasiol, and L. Sorba (2012)
    Quantum Hall Mach Zehnder interferometer at fractional filling factors
    in Europhysics letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • E. V. Deviatov, S. V. Egorov, G. Biasiol, and L. Sorba (literal)
Pagina inizio
  • 67009 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 100 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 Institute of Solid State Physics, RAS - Chernogolovka, Moscow District, 142432, Russia 2 Moscow Institute of Physics and Technology - Institutsky per. 9, Dolgoprudny, 141700, Russia 3 IOM CNR, Laboratorio TASC - 34149 Trieste, Italy, EU 4 NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore - 56127 Pisa, Italy, EU (literal)
Titolo
  • Quantum Hall Mach Zehnder interferometer at fractional filling factors (literal)
Abstract
  • We use a Mach-Zehnder quantum Hall interferometer of a novel design to investigate the interference effects at fractional filling factors. Our device brings together the advantages of usual Mach-Zehnder and Fabry-Perot quantum Hall interferometers. It realizes the simplest-for-analysis Mach-Zehnder interference scheme, free from Coulomb blockade effects. By contrast to the standard Mach-Zehnder realization, our device does not contain an etched region inside the interference loop. For the first time for a Mach-Zehnder interference scheme, the device demonstrates interference oscillations with ?* = e/e*?0 = ?0/? periodicity at fractional filling factor 1/3. This result indicates that we observe a clear evidence for fractionally charged quasiparticles from simple Aharonov-Bohm interference. (literal)
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