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Bi-layer Paired Quantum Hall States and Coulomb Drag | | Yong Baek Kim
; Chetan Nayak
; Eugene Demler
; Sankar Das Sarma
; | | Date: |
17 Oct 2000 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | | Affiliation: | OSU), Chetan Nayak (UCLA), Eugene Demler (Harvard), and Sankar Das Sarma (UMD | | Abstract: | We consider three states which are likely to be realized in bi-layer quantum Hall systems at total Landau level filling fraction ${
u_T}=1$. Two of these states may be understood as paired states. One can occur as an instability of a compressible state in the large $d/l_B$ limit, where $d$ and $l_B$ are the interlayer distance and magnetic length. The other is the $(1,1,1)$ state, which is expected in the small $d/l_B$ limit. We propose that the longitudinal and Hall drag resistivities can be used to distinguish these different quantum Hall states. The drag resistivities may be computed in a straightforward manner using the paired state formulation. | | Source: | arXiv, cond-mat/0010226 | | Services: | Forum | Review | PDF | Favorites | |
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