Landau levels in two and three-dimensional electron gases in a wide parabolic 
quantum well

Sergio, C. S.; Gusev, G. M.; Leite, J. R.; Ol'shanetskiĭ, E. B.; Bykov, A. A.; Moshegov, N. T.; Bakarov, A. K.; Toropov, A. I.; Maude, D. K.; Estibals, O.; Portal, J. C.

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Landau levels in two and three-dimensional electron gases in a wide parabolic quantum well

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Ol'shanetskiĭ, E. B.
High Magnetic Field Laboratory, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Maude, D. K.
High Magnetic Field Laboratory, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Portal, J. C.
High Magnetic Field Laboratory, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Sergio, C. S., Gusev, G. M., Leite, J. R., Ol'shanetskiĭ, E. B., Bykov, A. A., Moshegov, N. T., et al. (2002). Landau levels in two and three-dimensional electron gases in a wide parabolic quantum well. Brazilian Journal of Physics, 32(2), 347-349.

Cite as: https://hdl.handle.net/21.11116/0000-000E-EF8B-9

Abstract

Shubnikov-de Haas oscillations are measured in a wide parabolic
quantum well with 6 subbands in a tilted magnetic field. We
find two types of oscillations. The oscillations at low
magnetic field are shifted towards higher fields with tilted
angles, and can be attributed to the two-dimensional Landau
state at the bottom subband. The position of the second type
oscillations do not shift with tilted angles indicating a
three-dimensional character of the Landau state formed by the
highest subbands. The bottom level in the quantum well is not
overlapped with the highest subbands due to the enhanced
quantum scattering time of the lowest subbands.