Large amplitude motion within acetylene–rare gas complexes hosted in helium droplets | Zendy

M. Briant | Zendy; Alexandra Viel | Zendy; Ephriem Mengesha | Zendy; M.A. Gaveau | Zendy; B. Soep | Zendy; J.M. Mestdagh | Zendy; Pierre Jamet | Zendy; Jean–Michel Launay | Zendy; Lionel Poisson | Zendy

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Large amplitude motion within acetylene–rare gas complexes hosted in helium droplets

Author(s) -

M. Briant,

Alexandra Viel,

Ephriem Mengesha,

M.A. Gaveau,

B. Soep,

J.M. Mestdagh,

Pierre Jamet,

Jean–Michel Launay,

Lionel Poisson

Publication year - 2018

Publication title -

physical chemistry chemical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.053

H-Index - 239

eISSN - 1463-9084

pISSN - 1463-9076

DOI - 10.1039/c8cp04609c

Subject(s) - mesoscopic physics , superfluid helium 4 , chemistry , atomic physics , coupling (piping) , helium , acetylene , liquid helium , molecular physics , spectroscopy , spectral line , physics , condensed matter physics , materials science , quantum mechanics , organic chemistry , metallurgy

Near-infrared spectroscopy of the C2H2-Ar, Kr complexes was performed in the spectral region overlapping the ν3/ν2 + ν4 + ν5 Fermi-type resonance of C2H2. The experiment was conducted along the HElium NanoDroplet Isolation (HENDI) technique in order to study the coupling dynamics between a floppy molecular system (C2H2-Ar and C2H2-Kr) and a mesoscopic quantum liquid (the droplet). Calculations were performed using a spectral element based close-coupling program and state-of-the-art 2-dimensional potential energy surfaces to determine the bound states of the C2H2-Ar and C2H2-Kr complexes and simulate the observed spectra. This furnished a quantitative basis to unravel how the superfluid and non-superfluid components of the droplet affect the rotation and the deformation dynamics of the hosted complex.

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