Signatures of dynamical instability of Bose-Einstein condensates in 1D optical lattices

Year: 2013

Authors: Ciampini D., Morsch O., Arimondo E.

Autors Affiliation: Dipartimento di Fisica e. Fermi, Università di Pisa, Largo Pontecorvo 3, 56127 Pisa, Italy; INO-CNR, Largo Pontecorvo 3, 56127 Pisa, Italy; CNISM UdR Dipartimento di Fisica E. Fermi, Largo Pontecorvo 3, 56127 Pisa, Italy

Abstract: The onset of dynamical instabilities of Bose-Einstein condensates in optical lattices due to the dephasing of the condensate wavefunction is observed through the decay of the visibility of the interference pattern in time-of-flight and the growth of the radial width of the condensate.


Volume: 12 (2)      Pages from: 1340006  to: 1340006

More Information: The authors would like to thank the Ph.D. students and post-docs participating in the experiments described in this paper: C. Sias, A. Zenesini, Y. Singh and H. Lignier. This work was supported by the E.U. through Grants No. 225187-NAMEQUAM and No. 265031-ITN-COHERENCE and by the MIUR PRIN-2009 QUANTUM GASES BEYOND EQUILIBRIUM.
KeyWords: Dynamical instability; Bose-Einstein condensate;
DOI: 10.1142/S0219477513400063

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