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Finite-temperature stability of a trapped dipolar Bose gas

R. N. Bisset, D. Baillie, and P. B. Blakie
Phys. Rev. A 83, 061602(R) – Published 13 June 2011

Abstract

We calculate the stability diagram for a trapped normal Bose gas with dipole-dipole interactions. Our study characterizes the roles of trap geometry, temperature, and short-range interactions on the stability. We predict a robust double instability feature in oblate trapping geometries arising from the interplay of thermal gas saturation and the anisotropy of the interaction. Our results are relevant to current experiments with polar molecules and will be useful in developing strategies to obtain a polar molecule Bose-Einstein condensate.

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  • Received 18 April 2011

DOI:https://doi.org/10.1103/PhysRevA.83.061602

©2011 American Physical Society

Authors & Affiliations

R. N. Bisset, D. Baillie, and P. B. Blakie

  • Jack Dodd Centre for Quantum Technology, Department of Physics, University of Otago, Dunedin, New Zealand

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Issue

Vol. 83, Iss. 6 — June 2011

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