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Predicting spinor condensate dynamics from simple principles

Moreno-Cardoner, M; Mur-Petit, J; Guilleumas, M; Polls, A; Sanpera, A; Lewenstein, M; (2007) Predicting spinor condensate dynamics from simple principles. PHYS REV LETT , 99 (2) , Article 020404. 10.1103/PhysRevLett.99.020404. Green open access

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Abstract

We study the spin dynamics of quasi-one-dimensional F=1 condensates both at zero and finite temperatures for arbitrary initial spin configurations. The rich dynamical evolution exhibited by these nonlinear systems is explained by surprisingly simple principles: minimization of energy at zero temperature and maximization of entropy at high temperature. Our analytical results for the homogeneous case are corroborated by numerical simulations for confined condensates in a wide variety of initial conditions. These predictions compare qualitatively well with recent experimental observations and can, therefore, serve as a guidance for ongoing experiments.

Type: Article
Title: Predicting spinor condensate dynamics from simple principles
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.99.020404
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.99.020404
Language: English
Additional information: © 2007 The American Physical Society
Keywords: BOSE-EINSTEIN CONDENSATION, DOMAIN FORMATION, GASES
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/174558
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