Projected gross–pitaevskii equation for ring-shaped bose–einstein condensates

verfasst von
O. O. Prikhodko, Y. M. Bidasyuk
Abstract

We propose an alternative implementation of the projected Gross–Pitaevskki equation adapted for a numerical modeling of the atomic Bose–Einstein condensate trapped in a toroidally shaped potential. We present an accurate efficient scheme to evaluate the required matrix elements and to calculate the time evolution of the matter wave field. We analyze the stability and accuracy of the developed method for equilibrium and nonequilibrium solutions in a ring-shaped trap with an additional barrier potential corresponding to recent experimental realizations.

Externe Organisation(en)
Kyiv National Taras Shevchenko University
Physikalisch-Technische Bundesanstalt (PTB)
Typ
Artikel
Journal
Ukrainian Journal of Physics
Band
66
Seiten
198-205
Anzahl der Seiten
8
ISSN
2071-0186
Publikationsdatum
07.04.2021
Publikationsstatus
Veröffentlicht
Peer-reviewed
Ja
ASJC Scopus Sachgebiete
Physik und Astronomie (insg.)
Elektronische Version(en)
https://doi.org/10.15407/ujpe66.3.198 (Zugang: Offen)