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VOLUME 80 (2004) | ISSUE 5 | PAGE 412
Absolute negative conductivity and zero-resistance states in two dimensional electron systems: A plausible scenario
PACS: 73.40.-c, 73.43.-f, 78.67.n
Abstract
We present a model which provides a plausible explanation of the effect of zero-resistance and zero-conductance states in two-dimensional electron systems subjected to a magnetic field and irradiated with microwaves observed in a number of experiments and of the effect main features. The model is based on the concept of absolute negative conductivity associated with photon-assisted scattering of electrons on impurities. It is shown that the main features of the effect can be attributed to the interplay of different electron scattering mechanisms.