Extraordinary wetting phase diagram for mixtures of Bose-Einstein condensates

Abstract

The possibility of wetting phase transitions in Bose-Einstein condensed gases is predicted on the basis of Gross-Pitaevskii theory. The surface of a binary mixture of Bose-Einstein condensates can undergo a first-order wetting phase transition upon varying the interparticle interactions, using, e.g., Feshbach resonances. Interesting ultralow-temperature effects shape the wetting phase diagram. The prewetting transition is, contrary to general expectations, not of first order but critical, and the prewetting line does not meet the bulk phase coexistence line tangentially. Experimental verification of these extraordinary results is called for, especially now that it has become possible, using optical methods, to realize a planar "hard wall" boundary for the condensates.

arXiv comment4 pages, 4 figures, accepted for publication in Phys. Rev. Lett. in slightly shortened form

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Cited by in corpus (11)

• Weakly Interacting, Dilute Bose Gases in 2D
• Interface Tension of Bose-Einstein Condensates
• Static interfacial properties of Bose-Einstein condensate mixtures
• Critical wetting, first-order wetting and prewetting phase transitions in binary mixtures of Bose-Einstein condensates
• Weakly Interacting Bose Mixtures at Finite Temperature
• Suppression of the quantum collapse in binary bosonic gases
• Interface properties in three-component Bose-Einstein condensates
• Rayleigh-Taylor instability in a phase-separated three-component Bose-Einstein condensate
• On the finite-size effects in two segregated Bose-Einstein condensates restricted by a hard wall
• Three-component Bose-Einstein condensates and wetting without walls
• Interface potential and line tension for Bose-Einstein condensate mixtures near a hard wall