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arXiv · 2311.06370

Spontaneous dipolar Bose-Einstein condensation on the surface of a cylinder

Luis E. Young-S.·S. K. Adhikari
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Abstract

We demonstrate the spontaneous formation of a Bose-Einstein condensate (BEC) of strongly-bound harmonically-trapped dipolar $^{164}$Dy atoms on the outer curved surface of an elliptical or a circular cylinder, with a distinct topology, employing the numerical solution of an improved mean-field model including a Lee-Huang-Yang-type interaction, meant to stop a collapse at high atom density, the axis of the cylindrical-shell-shaped BEC being aligned along the polarization direction of the dipolar atoms. These states are dynamically stable and a Gaussian initial state leads to the cylindrical-shell-shaped state in both imaginary-time and real-time propagation. The formation of the hollow cylindrical BEC by a real-time simulation starting from a solid cylindrical state demonstrate the possibility of the formation of such a condensate experimentally.

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Luis E. Young-S., S. K. Adhikari. 2023-11-10. Spontaneous dipolar Bose-Einstein condensation on the surface of a cylinder. https://doi.org/10.1103/physreva.108.053323

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