Worcester Polytechnic Institute Electronic Theses and Dissertations Collection

Title page for ETD etd-0430103-095432

Document Typethesis
Author NamePulido, Daniel
TitleInstability in a Cold Atom Interferometer
DepartmentMathematical Sciences
  • Mayer Humi, Advisor
  • Alex Zozulya, Co-Advisor
  • Bogdan Vernescu, Department Head
  • Keywords
  • interferometry
  • bose-einstein condensation
  • Date of Presentation/Defense2003-04-30
    Availability unrestricted


    In this thesis we present a theoretical analysis of the instability in a cold atom interferometer. Interferometers are often used to split a signal (e.g. optical beam, matter wave), where each part of the signal evolves separately, then the interferometer recombines the signal. Interference effects from the recombination can be used to extract information about the different environments the the split signal traversed. The interferometer considered here splits a matter wave, the wave function of a Bose-Einstein Condensate, by using a guiding potential and then recombines the matter wave. The recombination process is shown to be unstable and the nature of the instability is characterized.

  • dpulido.pdf

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