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Decoherence and quantum fluctuations
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DOI：10.1103/PhysRevB.55.R13452.png)
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摘要
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We show that the zero-point fluctuations of the intrinsic electromagnetic environment Limit the phase-coherence time in all mesoscopic systems at low temperatures. We derive this quantum-noise-limited dephasing time and its temperature dependence in the crossover to the thermal regime. Our results agree well with most experiments in one-dimensional systems.
Keyword:
ELECTRON-SCATTERING
WEAK LOCALIZATION
BROWNIAN-MOTION
ENVIRONMENT
FILMS
