Coulomb drag in double quantum wells with a perpendicular magnetic field

Abstract

Momentum transfer due to electron-electron interaction (Coulomb drag) between two quantum wells, separated by a distance $d$, in the presence of a perpendicular magnetic field, is studied at low temperatures. We find besides the well known Shubnikov-de Haas oscillations, which also appear in the drag effect, the momentum transfer is markedly enhanced by the magnetic field.

8 pages, Revtex, 4 Postscript figures are available upon request, Accepted by Mod. Phys. Lett. B

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