Strong Spin-Motion Coupling in the Ultrafast Dynamics of Rydberg Atoms

Rydberg atoms in optical lattices and tweezers is now a well-established platform for simulating quantum spin systems. However, the role of the atoms' spatial wave function has not been examined in detail experimentally. Here, we show a strong spin-motion coupling emerging from the large variation of the interaction potential over the wave function spread. We observe its clear signature on the ultrafast many-body nanosecond-dynamics of atoms excited to a Rydberg S state, using picosecond pulses, from an unity-filling atomic Mott-insulator. We also propose an approach to tune arbitrarily the strength of the spin-motion coupling relative to the motional energy scale set by trapping potentials. Our work provides a new direction for exploring the dynamics of strongly correlated quantum systems by adding the motional degree of freedom to the Rydberg simulation toolbox.

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Publication Details

Journal
Physical Review Letters
Published
2024-08-30
DOI
https://doi.org/10.1103/physrevlett.133.093405
Citations
14
Primary Topic
Cold Atom Physics and Bose-Einstein Condensates
Type
article
Field-Weighted Citation Impact
4.73

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article

Strong Spin-Motion Coupling in the Ultrafast Dynamics of Rydberg Atoms

Takafumi Tomita, Kenji Ohmori, Miwako Mizoguchi, T. P. Mahesh et al.
14 citations
Physical Review Letters
Cold Atom Physics and Bose-Einstein Condensates
4.73
article

Strong Spin-Motion Coupling in the Ultrafast Dynamics of Rydberg Atoms

Takafumi Tomita, Kenji Ohmori, Miwako Mizoguchi, T. P. Mahesh, Seiji Sugawa, Takuya Matsubara, Vineet Bharti, Sylvain de Léséleuc, Masaya Kunimi, Vikas Singh Chauhan
article en
14 citations

Abstract

Rydberg atoms in optical lattices and tweezers is now a well-established platform for simulating quantum spin systems. However, the role of the atoms' spatial wave function has not been examined in detail experimentally. Here, we show a strong spin-motion coupling emerging from the large variation of the interaction potential over the wave function spread. We observe its clear signature on the ultrafast many-body nanosecond-dynamics of atoms excited to a Rydberg S state, using picosecond pulses, from an unity-filling atomic Mott-insulator. We also propose an approach to tune arbitrarily the strength of the spin-motion coupling relative to the motional energy scale set by trapping potentials. Our work provides a new direction for exploring the dynamics of strongly correlated quantum systems by adding the motional degree of freedom to the Rydberg simulation toolbox.

Physical Review LettersVol. 133(9)
Tokyo University of Science (JP), National Institutes of Natural Sciences (JP), The Graduate University for Advanced Studies, SOKENDAI (JP), Institute for Molecular Science (JP), The University of Tokyo (JP)
Ministry of Education, Culture, Sports, Science and Technology, Japan Society for the Promotion of Science, Moonshot Research and Development Program
Openalex Percentile: Top 4%
Cold Atom Physics and Bose-Einstein Condensates
4.73
DOISourceOpenAlex
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Strong Spin-Motion Coupling in the Ultrafast Dynamics of Rydberg Atoms — Takafumi Tomita, Kenji Ohmori, et al. · Physical Review Letters (2024) | TGRS Research Map | TGRS