Distillation of Bose-Einstein Condensates in a Double-Well Potential

Phys. Rev. Lett. 92, 150401 – Published 13 April 2004
Y. Shin, M. Saba, A. Schirotzek, T. A. Pasquini, A. E. Leanhardt, D. E. Pritchard, and W. Ketterle

Abstract

Bose-Einstein condensates of sodium atoms, prepared in an optical dipole trap, were distilled into a second empty dipole trap adjacent to the first one. The distillation was driven by thermal atoms spilling over the potential barrier separating the two wells and then forming a new condensate. This process serves as a model system for metastability in condensates, provides a test for quantum kinetic theories of condensate formation, and also represents a novel technique for creating or replenishing condensates in new locations.

DOI: http://dx.doi.org/10.1103/PhysRevLett.92.150401

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  • Received 21 November 2003
  • Published 13 April 2004

© 2004 The American Physical Society

Authors & Affiliations

Y. Shin, M. Saba, A. Schirotzek, T. A. Pasquini, A. E. Leanhardt, D. E. Pritchard, and W. Ketterle*

  • Department of Physics, MIT-Harvard Center for Ultracold Atoms, and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA

  • *URL: http://cua.mit.edu/ketterle_group/

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