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Seminars

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  • Title:Disordered quantum systems from an open system perspective
  • Start Date/Time:2017-04-24 / 12:09
  • End Date/Time :2017-04-24 / 13:10
    • Speaker:Dr. Clemens Gneiting (Riken, Japan)
    • Place:R49223, Second Physics Building , NCKU
    • Host:Prof. Yueh-Nan Chen (NCKU)
    • Abstract:Abstract:
      Similar to open quantum systems, the ensemble-averaged state of disordered quantum systems in general follows incoherent time evolution. Based on this analogy, we can describe the dynamics of disordered systems in terms of quantum master equations. This approach allows us to access the full disorder-perturbed quantum state, both on the level of populations and coherences. Moreover, we can relate disordered quantum systems to open quantum systems and vice versa. As an example, we analyze the propagation of a particle in a disorder-perturbed waveguide. We quantify wave packet distortion, backscattering, and disorder-induced dephasing, and identify conditions for reliable quantum state transmission.

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