Abstract
Electrical transport of the two-dimensional electron gas (2DEG) is considered in the presence of a perpendicular magnetic field( B) which is modulated weakly and periodically along one direction by − B 0 sin( Kx). The magnetoresistivity exhibits novel oscillations which: 1) are 90° shifted with respect to similar oscillations discovered for a 1D electrical periodic potential, and 2) their amplitude is an order of magnitude larger than for a corresponding electrical potential modulation with strength equal to h ̵ ω c0 = h ̵ eB 0/m ∗c .
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