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Condensed Matter > Mesoscale and Nanoscale Physics

arXiv:1609.05229 (cond-mat)
[Submitted on 16 Sep 2016]

Title:Magnetophonon oscillations of thermoelectric power and combined resonance in two-subband electron systems

Authors:A. D. Levin, G. M. Gusev, O. E. Raichev, A. K. Bakarov
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Abstract:By measuring the thermoelectric effect in high-mobility quantum wells with two occupied subbands in perpendicular magnetic field, we detect magnetophonon oscillations due to interaction of electrons with acoustic phonons. These oscillations contain specific features identified as combined resonances caused by intersubband phonon-assisted transitions of electrons in the presence of Landau quantization. The quantum theory of phonon-drag magnetothermoelectric effect, generalized to the case of multi-subband occupation, describes our experimental findings.
Comments: 7 pages, 6 figures
Subjects: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
Cite as: arXiv:1609.05229 [cond-mat.mes-hall]
  (or arXiv:1609.05229v1 [cond-mat.mes-hall] for this version)
  https://doi.org/10.48550/arXiv.1609.05229
Journal reference: Phys. Rev. B 94, 115309 (2016)
Related DOI: https://doi.org/10.1103/PhysRevB.94.115309

Submission history

From: Gennady Gusev M [view email]
[v1] Fri, 16 Sep 2016 20:37:24 UTC (200 KB)
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