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Mechanism of plateau formation in the quantum Hall effect (1989)

Bruus, H. ; Hansen, O. P. ; Hansen, E. B.

Springer

The European physical journal 73 (1989), S. 501-510

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ISSN: 1434-6036

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract As the magnetic flux is increased (decreased) relative to the mid-plateau value by a given number of flux quanta, the 2-dimensional electron liquid responds by forming the same number of vortices (antivortices). Assuming the vortices (antivortices) to be pinned, we show that with a transport current flowing by, the pinning centres exert a force on the electron liquid. Inclusion of this force in a force balance equation for the electron liquid explains the formation of plateaus within the FQHE. The possibility of generalizing the theory to the IQHE is discussed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01319379

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