Solving a nonlinear analytical model for bosonic equilibration
An integrable nonlinear model for the time-dependent equilibration of a bosonic system that has been devised earlier is solved exactly with boundary conditions that are appropriate for a truncated Bose-Einstein distribution, and include the singularity at ε=μ. The buildup of a thermal tail during ev...
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2020
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| In: |
Physics open
Year: 2019, Jahrgang: 2 |
| ISSN: | 2666-0326 |
| DOI: | 10.1016/j.physo.2019.100013 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1016/j.physo.2019.100013 Verlag, kostenfrei, Volltext: http://www.sciencedirect.com/science/article/pii/S2666032619300134 
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| Verfasserangaben: | N. Rasch, G. Wolschin |
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| 520 | |a An integrable nonlinear model for the time-dependent equilibration of a bosonic system that has been devised earlier is solved exactly with boundary conditions that are appropriate for a truncated Bose-Einstein distribution, and include the singularity at ε=μ. The buildup of a thermal tail during evaporative cooling, as well as the transition to the condensed state are accounted for. To enforce particle-number conservation during the cooling process with an energy-dependent density of states for a three-dimensional thermal cloud, a time-dependent chemical potential is introduced. | ||
| 534 | |c 2019 | ||
| 650 | 4 | |a Equilibration of cold atomic gases | |
| 650 | 4 | |a Exact solution of nonlinear equation | |
| 650 | 4 | |a Nonlinear bosonic diffusion equation | |
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