Quantum hall effect in a wide parabolic quantum well

Please use this identifier to cite or link to this item: http://dspace.mediu.edu.my:8181/xmlui/handle/123456789/2748

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DC Field	Value	Language
dc.creator	Gusev G.M.	-
dc.creator	Leite J.R.	-
dc.creator	Olshanetskii E.B.	-
dc.creator	Maude D.K.	-
dc.creator	Cassé M.	-
dc.creator	Portal J.C.	-
dc.creator	Moshegov N.T.	-
dc.creator	Toropov A.I.	-
dc.date	1999	-
dc.date.accessioned	2013-05-29T23:26:55Z	-
dc.date.available	2013-05-29T23:26:55Z	-
dc.date.issued	2013-05-30	-
dc.identifier	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97331999000400019	-
dc.identifier	http://www.doaj.org/doaj?func=openurl&genre=article&issn=01039733&date=1999&volume=29&issue=4&spage=715	-
dc.identifier.uri	http://koha.mediu.edu.my:8181/jspui/handle/123456789/2748	-
dc.description	We investigate the activated conductivity for Landau levels at lling factors v =1,2 in a parabolic Al xGa1-x As well down to 30 mK. We obtain a very small activation energy ~ 0.02 meV, which is almost 1-2 orders of magnitude smaller than the expected values for energy gaps in a wide quantum well. The resistivity minima vanish completely when a parallel component of magnetic field is applied. The collapse of the energy gaps in the wide parabolic well occurs due to the new electron correlated state, probably the charge density wave state predicted for a uniform wide electron slab in high magnetic field.	-
dc.publisher	Sociedade Brasileira de Física	-
dc.source	Brazilian Journal of Physics	-
dc.title	Quantum hall effect in a wide parabolic quantum well	-
Appears in Collections:	Physics and Astronomy

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