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A new cutoff correction scheme for three-body interactions in molecular simulations is proposed. This method simplifies calculations by avoiding complex integrals, making long-range corrections more computationally feasible.

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Area of Science:

  • Computational Chemistry
  • Molecular Dynamics

Background:

  • Three-body interactions are computationally intensive, posing challenges for molecular simulations.
  • Existing methods for long-range corrections lack a standardized cutoff scheme.

Purpose of the Study:

  • To propose a straightforward and computationally efficient cutoff correction scheme for three-body interactions.
  • To address the lack of consensus on implementing long-range corrections in molecular simulations.

Main Methods:

  • Developed a novel cutoff correction scheme for three-body interactions.
  • Evaluated three-body interactions at a desired and a very large cutoff radius for specific configurations.
  • Corrections are determined without complex integral calculations.

Main Results:

  • The proposed scheme is straightforward to implement.
  • It effectively corrects for long-range three-body interactions.
  • Reduces computational intensity compared to existing methods.

Conclusions:

  • The developed cutoff correction scheme offers a practical solution for incorporating long-range three-body interactions in molecular simulations.
  • This method enhances the feasibility of accurate molecular modeling by reducing computational burden.