Spin Transport in the Bulk of a Hall Dielectric

― The spatial spread of a dense ensemble of spin cyclotron magnetoexcitons in a quantum Hall dielectric with a filling factor of ν = 2 (the integer quantum Hall effect state) is visualized using a high-aperture optical system. It is found the ability to propagate in a nondiffusive manner over macros...

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2023-02, Vol.87 (2), p.141-144
Main Authors: Gorbunov, A. V., Larionov, A. V., Kulik, L. V., Timofeev, V. B.
Format: Article
Language:English
Subjects:
Bulk density
Cyclotrons
Excitons
Hadrons
Heavy Ions
Nuclear Physics
Physics
Physics and Astronomy
Quantum Hall effect
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Summary:― The spatial spread of a dense ensemble of spin cyclotron magnetoexcitons in a quantum Hall dielectric with a filling factor of ν = 2 (the integer quantum Hall effect state) is visualized using a high-aperture optical system. It is found the ability to propagate in a nondiffusive manner over macroscopic distances is inherent not only to excitons with momenta comparable to the reciprocal magnetic length that form a coherent magnetoexciton condensate, but to excitons with near-zero momenta as well.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873822700812