Browsing by Subject "quantum theory"

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  • Conductance fluctuations at the quantum Hall plateau transition 
    Hohls, Frank; Zeitler, U.; Haug, Rolf J. (College Park, MD : American Physical Society, 2002)
    We analyze the conductance fluctuations observed in the quantum Hall regime for a bulk two-dimensional electron system in a Corbino geometry. We find that characteristics like the power spectral density and the temperature ...
  • Flux-quantum-modulated Kondo conductance in a multielectron quantum dot 
    Fühner, C.; Keyser, U.F.; Haug, Rolf J.; Reuter, D.; Wieck, A.D. (College Park, MD : American Physical Society, 2002)
    We investigate a lateral semiconductor quantum dot with a large number of electrons in the limit of strong coupling to the leads. A Kondo effect is observed and can be tuned in a perpendicular magnetic field. This Kondo ...
  • Rapid probe of the nicotine spectra by high-resolution rotational spectroscopy 
    Grabow, Jens-Uwe; Mata, S.; Alonso, J.L.; Peña, I.; Blanco, S.; López, J.C.; Cabezas, C. (Cambridge : Royal Society of Chemistry, 2011)
    Nicotine has been investigated in the gas phase and two conformational forms were characterized through their rotational spectra. Two spectroscopic techniques have been used to obtain the spectra: a new design of broadband ...
  • Ultrafast dynamics of the indoline dye D149 on electrodeposited ZnO and sintered ZrO2 and TiO2 thin films 
    Oum, Kawon; Lohse, Peter W.; Flender, Oliver; Klein, Johannes R.; Scholz, Mirko; Lenzer, Thomas; Du, Juan; Oekermann, Torsten (Cambridge : Royal Society of Chemistry, 2012)
    The ultrafast photoinjection and subsequent relaxation steps of the indoline dye D149 were investigated in detail for a mesoporous electrodeposited ZnO thin film and compared with experiments on sintered TiO2 and ZrO2 thin ...