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Quantum interference Hall effect in nanopatterned two-dimensional electron gas systems

Authors Xie, Hang
Sheng, Ping
Issue Date 2009
Source PHYSICAL REVIEW B, v. 79, (16), 2009, APR, article number 165307
Summary We show that in mesoscopic two-dimensional electron gas systems, quantum interference caused by predesigned nanopatterns can enhance the Hall effect by up to 500\%. A quality factor Q is defined which optimizes the ratio of the Hall voltage to longitudinal voltage. Genetic algorithm and the Landauer-Buttiker formalism were used to search for the potential configuration that can achieve a large Q. We propose some realistic nanopatterns to realize this effect.
ISSN 1098-0121
Rights Physical Review B © copyright 2009 American Physical Society. The journal's web site is located at
Language English
Format Article
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