Solitons as the Early Stage of Quasicondensate Formation during Evaporative Cooling

E. Witkowska, P. Deuar, M. Gajda, and K. Rzążewski
Phys. Rev. Lett. 106, 135301 – Published 30 March 2011
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Abstract

We calculate the evaporative cooling dynamics of trapped one-dimensional Bose-Einstein condensates for parameters leading to a range of condensates and quasicondensates in the final equilibrium state, using the classical fields method. We confirm that solitons are created during the evaporation process by the Kibble-Zurek mechanism, but subsequently dissipate during thermalization. However, their signature remains in the phase coherence length, which is approximately conserved during dissipation in this system.

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  • Received 20 December 2010

DOI:https://doi.org/10.1103/PhysRevLett.106.135301

© 2011 American Physical Society

Authors & Affiliations

E. Witkowska1, P. Deuar1, M. Gajda1, and K. Rzążewski2

  • 1Institute of Physics, Polish Academy of Sciences, Aleja Lotników, 02-668 Warsaw, Poland
  • 2Center for Theoretical Physics, Polish Academy of Sciences, Aleja Lotników, 02-668 Warsaw, Poland

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Issue

Vol. 106, Iss. 13 — 1 April 2011

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