Time-dependent condensation of bosonic potassium

We calculate the time-dependent formation of Bose-Einstein condensates (BECs) in potassium vapours based on a previously derived exactly solvable nonlinear boson diffusion equation (NBDE). Thermalization following a sudden energy quench from an initial temperature $$T_\mathrm {i}$$to a final tempera...

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Hauptverfasser: Kabelac, Anton (VerfasserIn) , Wolschin, Georg (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 03 October 2022
In: The European physical journal. D, Atomic, molecular, optical and plasma physics
Year: 2022, Jahrgang: 76, Heft: 10, Pages: 1-8
ISSN:1434-6079
DOI:10.1140/epjd/s10053-022-00504-5
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1140/epjd/s10053-022-00504-5
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Verfasserangaben:A. Kabelac and G. Wolschin

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520 |a We calculate the time-dependent formation of Bose-Einstein condensates (BECs) in potassium vapours based on a previously derived exactly solvable nonlinear boson diffusion equation (NBDE). Thermalization following a sudden energy quench from an initial temperature $$T_\mathrm {i}$$to a final temperature $$T_\mathrm {f}$$below the critical value and BEC formation are accounted for using closed-form analytical solutions of the NBDE. The time-dependent condensate fraction is compared with available $$^{39}  |k data for various scattering lengths. 
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