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Open Quantum Systems Decoherence Quantum Simulation

Instability of Rotationally Tuned Dipolar Bose-Einstein Condensates

arXiv
Authors: S. B. Prasad, T. Bland, B. C. Mulkerin, N. G. Parker, A. M. Martin

Year

2018

Paper ID

23908

Status

Preprint

Abstract Read

~2 min

Abstract Words

97

Citations

N/A

Abstract

The possibility of effectively inverting the sign of the dipole-dipole interaction, by fast rotation of the dipole polarization, is examined within a harmonically trapped dipolar Bose-Einstein condensate. Our analysis is based on the stationary states in the Thomas-Fermi limit, in the corotating frame, as well as direct numerical simulations in the Thomas-Fermi regime, explicitly accounting for the rotating polarization. The condensate is found to be inherently unstable due to the dynamical instability of collective modes. This ultimately prevents the realization of robust and long-lived rotationally tuned states. Our findings have major implications for experimentally accessing this regime.

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  • The possibility of effectively inverting the sign of the dipole-dipole interaction, by fast rotation of the dipole polarization, is examined within a harmonically trapped...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1810.09041 [2] arXiv https://arxiv.org/abs/1810.09041 [3] Publisher https://arxiv.org/abs/1810.09041

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