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Dynamics of rotating Bose–Einstein condensates probed by Bragg scattering

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  • Muniz, S.R.
  • Naik, D.S.
  • Bhattacharya, M.
  • Raman, C.

Abstract

Gaseous Bose–Einstein condensates (BECs) have become an important test bed for studying the dynamics of quantized vortices. In this work we use two-photon Doppler sensitive Bragg scattering to study the rotation of sodium BECs. We analyze the microscopic flow field and present laboratory measurements of the coarse-grained velocity profile. Unlike time-of-flight imaging, Bragg scattering is sensitive to the direction of rotation and therefore to the phase of the condensate. In addition, we have non-destructively probed the vortex flow field using a sequence of two Bragg pulses.

Suggested Citation

  • Muniz, S.R. & Naik, D.S. & Bhattacharya, M. & Raman, C., 2007. "Dynamics of rotating Bose–Einstein condensates probed by Bragg scattering," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 74(4), pages 397-404.
    • Handle: RePEc:eee:matcom:v:74:y:2007:i:4:p:397-404
    DOI: 10.1016/j.matcom.2006.10.029
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    Keywords

    Bose; Condensate; Bragg; Vortex;
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