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Special Physics Colloquium: Dr. George Schwiete, Freie Universität Berlin

  • Date
    Tue, Mar 12

    Time
    4:00 PM — 5:00 PM

    Address
    Marshak
    160 Convent Avenue

    Location
    Marshak, MR-418N

    p: 212.650.6832

    Admission
    Free

  • Event Details

    "Nonlinear wave-packet dynamics in a disordered medium"

    Abstract:

    The propagation of a wave-packet in a nonlinear disordered medium exhibits interesting dynamics. This problem is directly connected to experiments on expanding Bose gases and to studies of transverse localization in nonlinear optical media. In a nonlinear medium the energy of the wave-packet is stored both in the kinetic and potential parts, and details of its propagation are to a large extent determined by the transfer from one form of energy to the other. In this talk, I will describe an effective theory of pulse propagation in a nonlinear and disordered medium. Based on estimates for the scattering rate, I will then discuss the relevance of the nonlinearity for the localization problem.
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