Davies, A G , Barnes, C H W , Zolleis, K R , Nicholls, J T , Simmons, M Y and Ritchie, D A (1996) Hybridization of single- and double-layer behavior in a double-quantum-well structure. Physical Review B, 54 (24).
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We report magnetoresistivity measurements of a narrow-barrier double-quantum-well structure which reveal that when two electron subbands are occupied, the positions of the diagonal resistivity maxima originating from these subbands oscillate together in magnetic field as the electron density is changed to give the overall appearance of a single-layer system. By means of Hartree calculations we demonstrate that this narrow-barrier sample is exhibiting a hybrid behavior between that of a single quantum well and a system comprising two independent quantum wells.
This is a Submitted version This version's date is: 15/12/1996 This item is not peer reviewed
https://repository.royalholloway.ac.uk/items/fd060490-d23c-8c60-265f-44acf6f1c479/3/
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