In-plane and perpendicular magnetic fields dependence of cyclotron resonance in two-dimensional electron systems |
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| Authors: | Y. Sugimoto S. Takaoka K. Oto |
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| Affiliation: | a Department of Physics, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Japan;b Department of Physics, Graduate School of Science, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan |
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| Abstract: | The cyclotron resonance of two-dimensional electron systems (2DES) of GaAs/AlGaAs heterostructures is investigated in a tilted magnetic field. In this study, the perpendicular (B) and in-plane (B||) magnetic fields are changed systematically. More than two cyclotron resonances caused by B|| are observed. Further, the enhancement of cyclotron mass by B|| and its dependence on B and electron concentration of 2DES are also investigated in detail. These phenomena are well explained by the resonant subband Landau level coupling model. |
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| Keywords: | Two-dimensional electron system Cyclotron resonance In-plane magnetic field |
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