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File: Induced currents, frozen charges and the quantum Hall effect breakdown

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13.11.10
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K.V. Kavokina, M.E. Portnoia, A.J. Matthewsa, A. Ushera, J. Gethinga, D.A. Ritchieb, M.Y. Simmonsb

Puzzling results obtained from torque magnetometry in the quantum Hall effect regime are presented, and a theory is proposed for their explanation. Magnetic moment saturation, which is usually attributed to the quantum Hall effect breakdown, is shown to be related to the charge redistribution across the sample.

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