Feshbach spectroscopy of ultracold mixtures of <math><mmultiscripts><mi>Li</mi><mprescripts/><none/><mn>6</mn></mmultiscripts></math> and <math><mmultiscripts><mi>Dy</mi><mprescripts/><none/><mn>164</mn></mmultiscripts></math> atoms

Xie, Ke; Li, Xi; Zhou, Yu-Yang; Luo, Ji-Hong; Wang, Shuai; Nie, Yu-Zhao; Shen, Hong-Chi; Chen, Yu-Ao; Yao, Xing-Can; Pan, Jian-Wei

doi:10.1103/PhysRevA.111.023327

Feshbach spectroscopy of ultracold mixtures of ${}^{6}{Li}$ and ${}^{164}{Dy}$ atoms

Feb 11, 2025

7 pages

Published in:

Phys.Rev.A 111 (2025) 2, 023327,
Phys.Rev.A 111 (2025) 2

Published: Feb 26, 2025

e-Print:

2502.08099 [cond-mat.quant-gas]

DOI:

10.1103/PhysRevA.111.023327 (publication)

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Abstract: (APS)

We report on the observation of Feshbach resonances in ultracold

{}^{6}{Li} - {}^{164}{Dy}

mixtures, where

{}^{6}{Li}

atoms are respectively prepared in their three lowest spin states and

{}^{164}{Dy}

atoms are prepared in their lowest-energy state. We observe 21 interspecies scattering resonances over a magnetic-field range from 0 to 702 G using atom loss spectroscopy, three of which exhibit relatively broad widths. These broad resonances provide precise control over the interspecies interaction strength, enabling the study of strongly interacting effects in

{}^{6}{Li} - {}^{164}{Dy}

mixtures. Additionally, we observe a well-isolated interspecies resonance at 700.1 G, offering a unique platform to explore novel impurity physics, where heavy dipolar

{}^{164}{Dy}

atoms are immersed in a strongly interacting Fermi superfluid of

{}^{6}{Li}

atoms.

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Feshbach spectroscopy of ultracold mixtures of Li6 and Dy164 atoms

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Feshbach spectroscopy of ultracold mixtures of ${}^{6}{Li}$ and ${}^{164}{Dy}$ atoms