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From antidot to dot superlattices: Magnetoresistance anomalies

Rotter, Peter and Hennig, Ralf and Suhrke, Michael and Rössler, Ulrich (1998) From antidot to dot superlattices: Magnetoresistance anomalies. Physica E 1 (1-4), pp. 245-247.

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Other URL: http://dx.doi.org/10.1016/S1386-9477(97)00052-0


Abstract

For low Fermi energies and large antidot diameters an antidot superlattice changes into a dot superlattice. A negative magnetoresistance (NMR) for low magnetic fields coexisting with a commensurability peak is observed in this transition regime. We reproduce these features for both classical and quantum-mechanical calculations in a model, which traces the NMR back to saddle points with varying ...

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Item Type:Article
Date:January 1998
Institutions:Physics > Institute of Theroretical Physics > Retired Professors > Group Ulrich Rössler
Identification Number:
ValueType
10.1016/S1386-9477(97)00052-0DOI
Keywords:Antidots; Negative magnetoresistance; Commensurability peaks
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Redakteur Physik
Deposited On:20 Mar 2007
Last Modified:13 Mar 2014 09:53
Item ID:1386
Owner Only: item control page
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