On the Mechanism of Commensurability Oscillations in Anisotropic Antidot Lattices

概要

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We investigate the transport properties in various antidot lattices. It is found that the funda-mental peak on resistivity is deterrnirned by the conductivity perpendicular to the current flowdirection in the case of smaller diagonal componerxt of conductivity tensor than the off-diagonalone. Moreover, the peaks of conductivity are explained by the runaway trajectory, on which theelectrons diffuse along tlue ant,idot array like as skipping over the antidots when the cyclotrondiameter of electron corresponds to time antidot period, and the conductivity along the anti-dot period is enhanced. This is the origiru of 1,he fundamerntal peak in the commensurabilityoscillations.
社団法人日本物理学会の論文
1996-03-15