Solitons as the Early Stage of Quasicondensate Formation during Evaporative Cooling

Journal Article · Fri Apr 01 00:00:00 EDT 2011 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.106.135301· OSTI ID:21550262

Witkowska, E; Deuar, P; Gajda, M ^[1]; RzaPzewski, K ^[2]

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1. Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow, 02-668 Warsaw (Poland)
2. Center for Theoretical Physics, Polish Academy of Sciences, Aleja Lotnikow, 02-668 Warsaw (Poland)

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.

• OSTI ID: 21550262
• Journal Information: Physical Review Letters, Vol. 106, Issue 13; Other Information: DOI: 10.1103/PhysRevLett.106.135301; (c) 2011 American Institute of Physics; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BOSE-EINSTEIN CONDENSATION
COHERENCE LENGTH
CONDENSATES
EQUILIBRIUM
EVAPORATIVE COOLING
ONE-DIMENSIONAL CALCULATIONS
SOLITONS
THERMALIZATION
TRAPPING
COOLING
DIMENSIONS
LENGTH
QUASI PARTICLES
SLOWING-DOWN