Exact hydrodynamics of a trapped dipolar Bose-Einstein condensate

O'Dell, Duncan H J, Giovanazzi, Stefano and Eberlein, Claudia (2004) Exact hydrodynamics of a trapped dipolar Bose-Einstein condensate. Physical Review Letters, 92 (25). p. 250401. ISSN 0031-9007

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We present exact results in the Thomas-Fermi regime for the statics and dynamics of a harmonically trapped Bose-Einstein condensate that has dipole-dipole interactions in addition to the usual s-wave contact interactions. Remarkably, despite the nonlocal and anisotropic nature of the dipolar interactions, the density profile in a general time-dependent harmonic trap is an inverted parabola. The evolution of the condensate radii is governed by local, ordinary differential equations, and as an example we calculate the monopole and quadrupole shape oscillation frequencies.

Item Type: Article
Additional Information: The paper uses the exact solution of the Thomas-Fermi equation for a BEC with dipole-dipole interactions to derive the exact condensate radii and the equations for their evolution in time and calculate experimentally important quantities. This work was carried out in collaboration with two postdocs.
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Depositing User: Claudia Eberlein
Date Deposited: 06 Feb 2012 19:59
Last Modified: 06 Aug 2019 15:30
URI: http://sro.sussex.ac.uk/id/eprint/23408

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