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Reentrant nu = 1 quantum Hall state in a two-dimensional hole system | | A.L. Graninger
; D. Kamburov
; M. Shayegan
; L.N. Pfeiffer
; K.W. West
; K.W. Baldwin
; R. Winkler
; | | Date: |
17 Sep 2011 | | Abstract: | We report the observation of a reentrant quantum Hall state at the Landau
level filling factor nu = 1 in a two-dimensional hole system confined to a
35-nm-wide (001) GaAs quantum well. The reentrant behavior is characterized by
a weakening and eventual collapse of the nu = 1 quantum Hall state in the
presence of a parallel magnetic field component B||, followed by a
strengthening and reemergence as B|| is further increased. The robustness of
the nu = 1 quantum Hall state during the transition depends strongly on the
charge distribution symmetry of the quantum well, while the magnitude of B||
needed to invoke the transition increases with the total density of the system. | | Source: | arXiv, 1109.3808 | | Services: | Forum | Review | PDF | Favorites | |
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