Femtosecond rotational dynamics of D2 molecules in superfluid helium nanodroplets
Qiang J, Zhou L, Lu P, Lin K, Ma Y, Pan S, Lu C, Jiang W, Sun F, Zhang W, Li H, Gong X, Averbukh IS, Prior Y, Schouder CA, Stapelfeldt H, Cherepanov I, Lemeshko M, Jäger W, Wu J. 2022. Femtosecond rotational dynamics of D2 molecules in superfluid helium nanodroplets. Physical Review Letters. 128(24), 243201.
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Author
Qiang, Junjie;
Zhou, Lianrong;
Lu, Peifen;
Lin, Kang;
Ma, Yongzhe;
Pan, Shengzhe;
Lu, Chenxu;
Jiang, Wenyu;
Sun, Fenghao;
Zhang, Wenbin;
Li, Hui;
Gong, Xiaochun
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All
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Abstract
Rotational dynamics of D2 molecules inside helium nanodroplets is induced by a moderately intense femtosecond pump pulse and measured as a function of time by recording the yield of HeD+ ions, created through strong-field dissociative ionization with a delayed femtosecond probe pulse. The yield oscillates with a period of 185 fs, reflecting field-free rotational wave packet dynamics, and the oscillation persists for more than 500 periods. Within the experimental uncertainty, the rotational constant BHe of the in-droplet D2 molecule, determined by Fourier analysis, is the same as Bgas for an isolated D2 molecule. Our observations show that the D2 molecules inside helium nanodroplets essentially rotate as free D2 molecules.
Publishing Year
Date Published
2022-06-16
Journal Title
Physical Review Letters
Publisher
American Physical Society
Volume
128
Issue
24
Article Number
243201
ISSN
eISSN
IST-REx-ID
Cite this
Qiang J, Zhou L, Lu P, et al. Femtosecond rotational dynamics of D2 molecules in superfluid helium nanodroplets. Physical Review Letters. 2022;128(24). doi:10.1103/PhysRevLett.128.243201
Qiang, J., Zhou, L., Lu, P., Lin, K., Ma, Y., Pan, S., … Wu, J. (2022). Femtosecond rotational dynamics of D2 molecules in superfluid helium nanodroplets. Physical Review Letters. American Physical Society. https://doi.org/10.1103/PhysRevLett.128.243201
Qiang, Junjie, Lianrong Zhou, Peifen Lu, Kang Lin, Yongzhe Ma, Shengzhe Pan, Chenxu Lu, et al. “Femtosecond Rotational Dynamics of D2 Molecules in Superfluid Helium Nanodroplets.” Physical Review Letters. American Physical Society, 2022. https://doi.org/10.1103/PhysRevLett.128.243201.
J. Qiang et al., “Femtosecond rotational dynamics of D2 molecules in superfluid helium nanodroplets,” Physical Review Letters, vol. 128, no. 24. American Physical Society, 2022.
Qiang J, Zhou L, Lu P, Lin K, Ma Y, Pan S, Lu C, Jiang W, Sun F, Zhang W, Li H, Gong X, Averbukh IS, Prior Y, Schouder CA, Stapelfeldt H, Cherepanov I, Lemeshko M, Jäger W, Wu J. 2022. Femtosecond rotational dynamics of D2 molecules in superfluid helium nanodroplets. Physical Review Letters. 128(24), 243201.
Qiang, Junjie, et al. “Femtosecond Rotational Dynamics of D2 Molecules in Superfluid Helium Nanodroplets.” Physical Review Letters, vol. 128, no. 24, 243201, American Physical Society, 2022, doi:10.1103/PhysRevLett.128.243201.
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