Phase separation in atom-molecule mixtures near a Feshbach resonance

Xiao-Qiang Xu, Li-Hua Lu, and You-Quan Li
Phys. Rev. A 79, 043604 – Published 8 April 2009

Abstract

We study the phase separation of a Bose-Einstein condensate system with the conversion of one-species bosonic atoms into molecules via Feshbach resonance. Adopting the Thomas-Fermi approximation, we plot the phase diagrams of the system in two different parameter spaces for different atom-molecule interactions. In the presence of an isotropic trap, the density profiles in spatial space with fixed total number of atoms are also plotted. The clear phase separation in spatial space enables one to determine the location of atoms in the trap, which may be used as a possible experimental probe method.

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  • Received 19 January 2009

DOI:https://doi.org/10.1103/PhysRevA.79.043604

©2009 American Physical Society

Authors & Affiliations

Xiao-Qiang Xu, Li-Hua Lu, and You-Quan Li

  • Department of Physics and Zhejiang Institute of Modern Physics, Zhejiang University, Hangzhou 310027, People’s Republic of China

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Issue

Vol. 79, Iss. 4 — April 2009

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