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A Phenomenological Model of the Growth of Two-Species Atomic Bose-Einstein Condensates

Lookup NU author(s): Robert Pattinson, Dr Nick Parker, Professor Nikolaos Proukakis

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

We introduce a phenomenological mean-field model to describe the growth of immiscible two-species atomic Bose-Einstein condensates towards some equilibrium. Our model is based on the coupled Gross-Pitaevskii equations with the addition of dissipative terms to account for growth. While our model may be applied generally, we take a recent Rb-Cs experiment [McCarron et al., Phys. Rev. A 84 011603(R) (2011)] as a case study. As the condensates grow, they can pass through ranging transient density structures which can be distinct from the equilibrium states, although such a model always predicts the predominance of one condensate species over longer evolution times.


Publication metadata

Author(s): Pattinson RW, Parker NG, Proukakis NP

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 22nd Annual International Laser Physics Workshop

Year of Conference: 2014

Pages: 1-8

Online publication date: 09/04/2014

Date deposited: 03/11/2014

ISSN: 1742-6588

Publisher: Institute of Physics Publishing

URL: http://dx.doi.org/10.1088/1742-6596/497/1/012029

DOI: 10.1088/1742-6596/497/1/012029

Series Title: Journal of Physics: Conference Series


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