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Enhancement of Coulomb drag away from half filled Landau levels by Lilly, M. P.; Eisenstein, J. P.; Pfeiffer, L. N.; West, K. W. is a scholarly article available to read on EtoBox.

What is Enhancement of Coulomb drag away from half filled Landau levels about?

Coulomb drag between two parallel two dimensional electron gases has been measured at high magnetic fields in samples with two different layer spacings. As the layer filling factor deviates from nu=1/2, we find that the magnitude of the drag is enhanced quadratically with Delta nu = nu - 1/2, and the curvature of the enhancement is insensitive to both the sign of Delta nu and the spacing between the layers. Our results suggest that the enhancement is not due to non-perturbative interlayer correlations.

Author

Lilly, M. P.; Eisenstein, J. P.; Pfeiffer, L. N.; West, K. W.

Published

1999

Language

EN