Mixtures of Bose gases confined in concentrically coupled annular traps

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Abstract

A two-component Bose-Einstein condensate confined in an axially symmetric potential with two local minima, resembling two concentric annular traps, is investigated. The system shows a number of phase transitions that result from the competition between phase coexistence and radial-azimuthal phase separation. The ground-state phase diagram, as well as the rotational properties, including the (meta) stability of currents in this system, is analyzed.

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Subject classification (UKÄ) – MANDATORY

  • Condensed Matter Physics
Original languageEnglish
JournalPhysical Review A (Atomic, Molecular and Optical Physics)
Volume81
Issue number1
Publication statusPublished - 2010
Publication categoryResearch
Peer-reviewedYes