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About the Intermolecular Potential in Solid Hydrogen

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Abstract

New calculations of both the equation of state and the frequency of the Raman-active optical phonon in phases I and II of solid hydrogen at pressures larger than about 20 GPa show that no semiempirical potential so far suggested, even containing three-body components, is able to reproduce the experimental findings. The result poses the question of whether, in the solid phases I and II, an expansion of the hydrogen intermolecular potential in an increasing number of many-body contributions is really possible.

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Authors and Affiliations

  1. Dipartimento di Fisica, Università degli Studi di Firenze, Via Sansone 1, 50019, Sesto Fiorentino, Italy

    Massimo Moraldi

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  1. Massimo Moraldi
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Correspondence to Massimo Moraldi.

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Moraldi, M. About the Intermolecular Potential in Solid Hydrogen. J Low Temp Phys 186, 84–92 (2017). https://doi.org/10.1007/s10909-016-1650-5

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  • DOI: https://doi.org/10.1007/s10909-016-1650-5

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