Cyclotron resonance study of the two-dimensional electron layers and double layers in tilted magnetic fields
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چکیده
منابع مشابه
CyclotronResonance Study of the Two-Dimensional Electron Layers andDouble-Layers in TiltedMagnetic Fields
The far-infrared absorption in two-dimensional electron layers subject to magnetic field of general orientation was studied theoretically. The Kubo formula is employed to derive diagonal components of the magneto-conductivity tensor of two-dimensional electron single-layers and double-layers. The parabolic quantum well is used to model a simple single-layer system. Both single-layer and double-...
متن کاملCyclotronResonance Study of the Two-Dimensional Electron Layers and Bilayers in TiltedMagnetic Fields
The far-infrared absorption in two-dimensional electron layers subject to magnetic field of general orientation was studied theoretically. The Kubo formula is employed to derive diagonal components of the magneto-conductivity tensor of twodimensional electron single-layers and double-layers. A parabolic quantum well is used to model single-layer systems. Bilayer systems are represented by a pai...
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We report on the observation of collective radiative decay, or superradiance, of cyclotron resonance (CR) in high-mobility two-dimensional electron gases in GaAs quantum wells using time-domain terahertz magnetospectroscopy. The decay rate of coherent CR oscillations increases linearly with the electron density in a wide range, which is a hallmark of superradiant damping. Our fully quantum mech...
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ژورنال
عنوان ژورنال: Physica E: Low-dimensional Systems and Nanostructures
سال: 2004
ISSN: 1386-9477
DOI: 10.1016/j.physe.2003.12.077