Electromodulation of the bilayer ν=2 quantum Hall phase diagram
L. Brey, E. Demler, S. Das Sarma
Abstract
We make a number of precise experimental predictions for observing the various magnetic phases and the quantum phase transitions between them in the ν=2 bilayer quantum Ha ll system. In particular, we analyze the effect of an external bias voltage on the quantum phase diagram, finding that a finite bias should readily enable the experimental observation of the recently predicted novel canted antiferromagnetic phase in transport and spin polarization measurements.
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