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Bosonic Continuous Variable Quantum Computing

Observation of low-field Fano-Feshbach resonances in ultracold gases of dysprosium

arXiv
Authors: Kristian Baumann, Nathaniel Q. Burdick, Mingwu Lu, Benjamin L. Lev

Year

2013

Paper ID

2333

Status

Preprint

Abstract Read

~2 min

Abstract Words

108

Citations

N/A

Abstract

We report the observation of resonance-like loss in the trap population of ultracold dysprosium as a function of magnetic field, which we attribute to anisotropy-induced Fano-Feshbach resonances arising from Dy's large magnetic dipole moment and nonzero electronic orbital angular momentum. We recorded these resonances for four different isotopes, three bosonic and one fermionic, over a field range of 0-6 G and show that the number of resonances changes significantly as a function of temperature, even in the nK regime. Most of the observed resonances are of very narrow width. The fermionic isotope, unlike its bosonic counterparts, possesses nonzero nuclear spin and exhibits a much higher density of resonances.

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  • We report the observation of resonance-like loss in the trap population of ultracold dysprosium as a function of magnetic field, which we attribute to anisotropy-induced...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1312.6401 [2] arXiv https://arxiv.org/abs/1312.6401 [3] Publisher https://arxiv.org/abs/1312.6401

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