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AAS oscillations in antidot lattices

✍ Scribed by Takeshi Nakanishi; Tsuneya Ando

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
227 KB
Volume
227
Category
Article
ISSN
0921-4526

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## Localization in hexagonal antidot lattices is studied with the use of a finite-size scaling method. In a weak magnetic field, a localization length oscillates with the same period as Al'tshuler-Aronov-Spivak oscillation in agreement with results of a previous Thouless-number study.

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We propose a new physical implementation of spin qubits for quantum information processing, namely defect states in antidot lattices defined in the two-dimensional electron gas (2DEG) at a semiconductor heterostructure. Calculations of the band structure of a periodic antidot lattice are presented.