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Decoherence induced by magnetic impurities in a quantum hall system |
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| Authors: | V Kagalovsky A L Chudnovskiy | |
| Institution: | 19935. Shamoon College of Engineering, Beer-Sheva, 84100, Israel 39935. Max-Planck-Institut für Physik Komplexer Systeme, Dresden, 01187, Germany 29935. I. Institut für Theoretische Physik, Universitat Hamburg, Hamburg, D-20355, Germany |
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| Abstract: | Scattering by magnetic impurities is known to destroy coherence of electron motion in metals and semiconductors. We investigate the decoherence introduced in a single act of electron scattering by a magnetic impurity in a quantum Hall system. For this, we introduce a fictitious nonunitary scattering matrix   | |
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