Phys. Rev. A 66, 013612 (2002) [6 pages]Boundary of two mixed Bose-Einstein condensatesReceived 19 December 2001; published 19 July 2002 We study the boundary between two interpenetrating Bose-Einstein condensates interacting repulsively in the case of their spatial separation. We show that the analytical expressions for the distribution of the condensate density can be obtained in the limiting cases corresponding to the weak and strong separations. Using these expressions, we consider the excitation spectrum of a particle confined in the vicinity of the boundary and the surface waves at the boundary. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.66.013612
DOI:
10.1103/PhysRevA.66.013612
PACS:
03.75.Fi
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