The self-referential method combined with thermodynamic integration

M.B. Sweatman, Alexander A. Atamas, Jean-Marc Leyssale

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The self-referential method [M. B. Sweatman, Phys. Rev. E 72, 016711 (2005)] for calculating the free energy of crystalline solids via molecular simulation is combined with thermodynamic integration to produce a technique that is convenient and efficient. Results are presented for the chemical potential of hard sphere and Lennard-Jones face centered cubic crystals that agree well with this previous work. For the small system sizes studied, this technique is about 100 times more efficient than the parameter hopping technique used previously.
Original languageEnglish
Article number064102
Number of pages10
JournalJournal of Chemical Physics
Issue number6
Early online date11 Feb 2008
Publication statusPublished - Feb 2008


  • crystal structure
  • free energy
  • molecular dynamics method
  • thermodynamics
  • chemical engineering


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