Stability analysis for n-component Bose-Einstein condensate

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David C. Roberts¹ and Masahito Ueda^2,3
¹Laboratoire de Physique Statistique de l'Ecole Normale Supérieure, Paris, France
²Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan
³ERATO, Japan Science and Technology Corporation (JST), Saitama 332-0012, Japan

Received 5 March 2006; published 26 May 2006

Wederive the dynamic and thermodynamic stability conditions for dilute multicomponentBose-Einstein condensates (BECs). These stability conditions, generalized for n-component BECs,are found to be equivalent and are shown to beconsistent with the phase diagrams of two- and three-component condensatesthat are derived from energetic arguments.

URL:	http://link.aps.org/doi/10.1103/PhysRevA.73.053611
DOI:	10.1103/PhysRevA.73.053611
PACS:	03.75.Mn; 03.75.Hh; 03.75.Kk 03.75.Mn Multicomponent Bose-Einstein condensates; spinor condensates 03.75.Hh Static properties of Bose-Einstein condensates; thermodynamical, statistical, and structural properties 03.75.Kk Dynamic properties of Bose-Einstein condensates; collective and hydrodynamic excitations, superfluid flow YEAR: 2006
KEYWORDS:	Bose-Einstein condensation, thermodynamics, phase diagrams

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