Magnetophonon resonance in quantum wells in tilted field. What is concealed behind its angular dependence?

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Magnetophonon resonance in quantum wells in a tilted magnetic field B is investigated. Measurements of the Hall coefficient and correspondingly of the carrier concentration as a functions of magnetic field and temperature are simultaneously performed. It is shown that the experimental data can be interpreted in terms of a great sensitivity of the effect to the variation of the two dimensional carrier concentration n in a certain concentration interval. In other words, the observed angular dependence of the MPR amplitudes is a manifestation of dependence of n on the magnitude of the magnetic field B.
14 pages, 6 figures

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/20350

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0211471
 http://arxiv.org/abs/cond-mat/0211471

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arXiv