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Unified way for computing dynamics of Bose-Einstein condensates and degenerate Fermi gases

Authors :
Gawryluk, Krzysztof
Karpiuk, Tomasz
Gajda, Mariusz
Rzazewski, Kazimierz
Brewczyk, Miroslaw
Publication Year :
2015

Abstract

In this work we present a very simple and efficient numerical scheme which can be applied to study the dynamics of bosonic systems like, for instance, spinor Bose-Einstein condensates with nonlocal interactions but equally well works for Fermi gases. The method we use is a modification of well known Split Operator Method (SOM). We carefully examine this algorithm in the case of $F=1$ spinor Bose-Einstein condensate without and with dipolar interactions and for strongly interacting two-component Fermi gas. Our extension of the SOM method has many advantages: it is fast, stable, and keeps constant all the physical constraints (constants of motion) at high level.<br />Comment: 21 pages, 7 figures

Details

Database :
arXiv
Publication Type :
Report
Accession number :
edsarx.1505.04036
Document Type :
Working Paper
Full Text :
https://doi.org/10.1080/00207160.2017.1370545