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We consider theoretically the possibility of an electron acceleration inquantum wire by short magnetic pulses lasted bewteen several to few tens ofpicoseconds. We show that such possibility exists provided that, the electronis initially localized in part of nanowire that consists of two verticallyaligned layers which are tunnel coupled. When a horizontally directed magneticfield, changeable in time, is also perpendicular to the main axis of a wire, itgenerates a rotational electric field in it which pushes the upper and thelower parts of the electron wavepacket in opposite directions. We have foundhowever, that for an asymmetric vertical confinement, the majority part ofcharge density starts to move in the direction of local electric field in itslayer but it also drags the minority part in the same direction what results incoherent motion of an entire wavepacket. We discuss the dynamics of this motionin dependence on the time characteristics of the magnetic pulse.

An electron motion induced by magnetic field pulse in bi-layer quantum wire