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)