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A new extension of classical molecular dynamics: An electron transfer algorithm.

Anton Raskovalov1

  • 1Laboratory of Power Sources, The Institute of High Temperature Electrochemistry of the Ural Branch of RAS, st. Akademicheskaya, 20, Yekaterinburg, 620137, Russian Federation.

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Summary

Classical molecular dynamics struggles with electron transfer. This study introduces a modified molecular dynamics method enabling electron transfer simulations, applicable to various interactions and useful for calculating transference numbers.

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electron transferionic-electronic conductivitymolecular dynamics

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Area of Science:

  • Computational Chemistry
  • Materials Science
  • Physical Chemistry

Background:

  • Molecular dynamics (MD) is crucial for simulating ionic motion.
  • Classical MD methods are inadequate for simulating electron transfer processes.
  • Simulating electron transfer is vital for understanding many chemical and physical phenomena.

Discussion:

  • This article presents a modified molecular dynamics approach to simulate electron transfer.
  • The enhanced method incorporates data structures and algorithms for dynamic electron transfer during simulation.
  • The approach is compatible with pair Van der Waals and Coulomb interactions, with potential for extension to many-body interactions.

Key Insights:

  • The modified MD method successfully enables simulation of electron transfer between particles.
  • The technique is versatile, applicable to systems with diverse interaction potentials.
  • An algorithm for calculating transference numbers has been developed as a complementary tool.

Outlook:

  • This modified MD method offers a valuable tool for simulating complex ionic systems.
  • Future work could explore extensions to more intricate many-body interaction potentials.
  • The transference number calculation algorithm can aid in studying systems with high charge carrier concentrations.