期刊
PHYSICAL REVIEW LETTERS
卷 86, 期 16, 页码 3610-3613出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.86.3610
关键词
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We consider mesoscopic fluctuations of Coulomb drag transresistivity between two layers at a Landau level filling factor v = 1/2 each. We find that, at low temperatures, sample to sample fluctuations exceed both the ensemble average and the corresponding fluctuations at B = 0. At the experimentally relevant temperatures, the variance of the transresistivity is proportional to T-1/2. We find the dependence of this variance on density and magnetic field to reflect the attachment of two Bur quanta to each electron.
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