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We calculate the current density in a semiconductor superlattice withparabolic miniband under crossed non-quantizing electric and magnetic fields.The Corbino disk geometry is considered. The current-voltage curve containsoscillations with period proportional to the magnetic field. The possibility isshown of the negative absolute conductivity. The Ampere-Gauss characteristicsalso contain overshoots under high enough electric fields. In all cases, thepeaks smear with temperature rising.

Conductivity oscillations in 2D superlattice with non-harmonical dispersion law under non-quantizing electric and magnetic fields (in Russian)