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.