Dynamics of rotating Bose–Einstein condensates probed by Bragg scattering

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

Mathematics and Computers in Simulation (MATCOM), 2007, vol. 74, issue 4, 397-404

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.

Keywords: Bose; Condensate; Bragg; Vortex (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:74:y:2007:i:4:p:397-404

DOI: 10.1016/j.matcom.2006.10.029

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