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  The Response of a He-3 Fermi Liquid Droplet to Vibronic Excitation of an Embedded Glyoxal Molecule

Benedek, G., Hizhnyakov, V., & Toennies, J. P. (2014). The Response of a He-3 Fermi Liquid Droplet to Vibronic Excitation of an Embedded Glyoxal Molecule. Journal of Physical Chemistry A, 118(33): 10.1021/jp503184d, pp. 6574-6583. doi:10.1021/jp503184d.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-0F11-C Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-0F12-A
Genre: Journal Article

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 Creators:
Benedek, Giorgio1, Author              
Hizhnyakov, Vladimir, Author
Toennies, Jan Peter1, Author              
Affiliations:
1Emeritus Group Molecular Interactions, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063297              

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 Abstract: The zero-phonon line (ZPL) and the sideband in the vibronic spectrum of a single glyoxal molecule inside a He-3 droplet are analyzed within the framework of the Lax formalism. The new theory takes full account of the coupling of the molecule to the single particle-hole (PH) and collective excitations of the doped Fermionic droplet. The effect on the coupling of the wavevector dependence of the effective He-3 mass and the large local density of the first He-3 shell, resulting from the interaction with the chromophore, are also included in the theory. By fitting of a coupling parameter and the phase factor between the PH and collective response functions, the shape and relative intensity of the observed ZPL and its slowly decreasing multiexcitation sideband are well-reproduced. The new theory is consistent with the previous explanation of the surprisingly sharp phonon line superimposed on the sideband in terms of the dense first He-3 shell, which acts as a Helmholtz resonator for the zero sound of the droplet.

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Language(s): eng - English
 Dates: 2014-08-21
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 711943
DOI: 10.1021/jp503184d
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Title: Journal of Physical Chemistry A
Source Genre: Journal
 Creator(s):
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Publ. Info: -
Pages: - Volume / Issue: 118 (33) Sequence Number: 10.1021/jp503184d Start / End Page: 6574 - 6583 Identifier: -