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Bosonic helium clusters doped by alkali metal cations: interaction forces and analysis of their most stable structures

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Abstract

Ab initio potentials are computed for alkali metal cationic partners interacting with 4He and an overall many-body potential is constructed for each of the ionic dopants in helium clusters. The structures are then obtained via a genetic algorithm approach and results compared with Basin-Hopping Monte Carlo simulations. The classical arrangements are analyzed and quantum effects discussed in comparison with what has been found with Diffusion Monte Carlo calculations. Further corrections to the classical picture by including three-body forces and radial delocalization of the helium adatoms are also considered and their effects analyzed.

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Authors and Affiliations

  1. Department of Chemistry and CNISM, University of Rome La Sapienza, Piazzale A. Moro 5, 00185, Rome, Italy

    F. Marinetti, E. Coccia, E. Bodo & F. A. Gianturco

  2. Department of Chemistry, Koç University, Rumelifeneri Yolu, 34450, Sariyer, Istanbul, Turkey

    E. Yurtsever

  3. Department of Chemistry, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey

    M. Yurtsever & E. Yildirim

Authors
  1. F. Marinetti
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  2. E. Coccia
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  3. E. Bodo
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  4. F. A. Gianturco
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  5. E. Yurtsever
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  6. M. Yurtsever
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  7. E. Yildirim
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Corresponding author

Correspondence to F. A. Gianturco.

Additional information

This work is dedicated to the late Nando Bernardi, an eclectic and gifted scientist and a dear friend whose early departure has left a sad void in our community.

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Marinetti, F., Coccia, E., Bodo, E. et al. Bosonic helium clusters doped by alkali metal cations: interaction forces and analysis of their most stable structures. Theor Chem Account 118, 53–65 (2007). https://doi.org/10.1007/s00214-006-0240-z

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  • DOI: https://doi.org/10.1007/s00214-006-0240-z

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