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Negative magnetoresistance in antidot lattices with saddle points

Hennig, Ralf, Rotter, Peter, Suhrke, Michael and Rössler, Ulrich (1998) Negative magnetoresistance in antidot lattices with saddle points. Physica B 249-25, pp. 321-325.

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Other URL: http://dx.doi.org/10.1016/S0921-4526(98)00123-9


We have performed quantum-mechanical as well as classical magnetotransport calculations for a lattice of antidots with additional barriers. Both approaches reproduce the experimentally observed well-known commensurability peaks simultaneously with a negative differential magnetoresistance. By comparing both calculations, we find that quantum interference leads to an enhancement of the latter ...


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Item type:Article
Date:17 June 1998
Institutions:Physics > Institute of Theroretical Physics > Alumni or Retired Professors > Group Ulrich Rössler
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Keywords:Antidot arrays; Negative magnetoresistance
Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:1380
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